The consensus couldn’t be clearer. Climate change is happening. It’s caused primarily by the burning of oil, gas, and coal. If we do nothing, the world will become significantly less habitable.
We’ve lost precious time, but if we act now—decisively and dramatically—we still have a chance at avoiding climate change’s most catastrophic impacts. When released into the atmosphere, certain gases act like a blanket, preventing heat from escaping. One of the most important heat-trapping gases is carbon dioxide (CO2), which is released when we burn fossil fuels like oil, coal, and natural gas.
Once released, carbon dioxide stays in the atmosphere for roughly 40 years, though its effects stay much longer; other gases, like methane, are even longer-lived. The cumulative effect is to raise the planet’s temperature. Heat from the sun that would otherwise escape remains on Earth, warming the oceans, land, and air. As temperatures increase, the planet changes. The seas rise. Droughts and wildfires grow worse. Extreme weather becomes more common. Eventually, entire regions become uninhabitable.
The more carbon dioxide we produce, the worse these and other impacts become—and the more difficult it is to change direction.
The evidence
EXPLAINER
Ten Signs of Global Warming
Ten ways climate change affects our planet.
Scientists have taken detailed measurements of carbon dioxide (CO2) levels since the late 1950s. They’ve also gathered in-depth records of past CO2 levels from sources like ice core studies.
The results? Carbon dioxide levels are higher today than any point in at least 800,000 years. The cars we drive, the fuel we burn for electricity and warmth, the food we eat or waste, and the forests we clear are the cause.
Temperature trends from around the world reinforce these findings. Every one of the past 40 years has been warmer than the 20th century average. The 12 warmest years on record have all occurred since 1998. The five warmest were 2014 to 2018. We’ve already warmed the planet by 1 degree C (1.7ºF).
Climate models successfully forecast these temperature increases, as well as other impacts like sea level rise and ocean acidification. The models now suggest that we need immediate, dramatic reductions in our CO2 to avoid catastrophic impacts—and that time is running out.
The impacts
REPORT
Raft rescuing flood victims in Houston, TX
The Science Connecting Extreme Weather to Climate Change
Climate attribution identifies and quantifies the part human-caused climate change plays in worsening many types of extreme weather.
The consequences of climate change are already here. In the United States, chronic flooding threatens coastal communities from Texas to Maine. Mega-storms like Harvey, Maria, and Katrina are increasingly commonplace. Wildfires, heat waves, droughts, and inland flooding continue breaking records.
Without immediate emissions reductions, these impacts will worsen. Globally, food and water shortages could displace hundreds of millions of people, increasing conflict and war. Entire regions of the world may become uninhabitable. Much of what we take for granted today—from productive agricultural land and reliable growing seasons, to coastlines and coral reefs—will change dramatically. Much will be lost.
Solutions
A group of people marching with a sign that reads "Solar power to the people."
Solutions
The world’s leading voice on climate science, the International Panel on Climate Change (IPCC), explains that the worst impacts of climate change could be avoided if we successfully limit global warming to under 1.5ºC to 2ºC.
Doing so will not be easy. Under current emission levels, we’ll likely exceed 3ºC this century. For a fighting chance at 1.5ºC, we need to reach “net zero” global emissions by 2050.
“Net zero” means that all the sources of heat-trapping emissions (such as burning fossil fuels) must come in balance with all the processes that remove heat-trapping gases from the atmosphere (such as the growth of forests). Achieving net zero emissions will require massive changes in the energy, transportation, and food sectors, as well as afforestation and new “negative emissions” technologies (such as direct air capture machines that pull CO2 out of the air).
Fortunately, we have clean energy and clean vehicle technologies today. We have scientific consensus. We know what needs doing. We only need to act.
(im sorry if its too long-)
Pls help, this is Geogrophy btw.
Answer: 1, 3, and 4
Explanation: hope this helps
Answer:
1, 3, and 4
Explanation:
3 ways, How can We use technology in the classroom and home effectivley .
Based on the map and description of Bhutan, why do you think people built most of the towns where they did?
Answer:
it should be on ur textbookk
Explanation:
What are TWO positive impacts of lack of human travel in the last year on our environment?
3 Which is not a terrestrial planet?
Earth
Venus
Mercury
Uranus
Answer:
Terrestrial planets Mercury Venus Earth Mars
Explanation:
Uranus is not terrestrial planet but a gas giant.
Hope it helps
Uranus is not a terrestrial planet, as it is a gas giant, unlike Earth, Venus, and Mercury, which are terrestrial planets characterized by their rocky surfaces. Therefore, option D is correct.
A terrestrial planet, also known as a rocky planet, is a type of planet that is predominantly composed of rock and metal materials. These planets are found in the inner regions of a solar system and are typically closer to the parent star.
They have solid surfaces, relatively high densities, and relatively smaller sizes compared to gas giants. Terrestrial planets include Earth, Venus, Mercury, and Mars.
They often have thin atmospheres and lack massive gas envelopes like those found in gas giants such as Jupiter, Saturn, Uranus, and Neptune.
Therefore, option D is correct.
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im a race car driver im the best how do i win my next race
Sedimentary rock___.
is formed from cooling magma
is formed when heat and pressure change rocks
usually forms horizontal layers
cannot be changed into metamorphic rock
Answer:
Usually forms horizontal layers
Explanation:
Sedimentary rock doesn't form from magma
Sedimentary rock is not formed with heat and pressure
Sedimentary rock CAN be changed into metamorphic rock
Answer:
C
Explanation:
usually forms horizontal layers.
what does tom Brady, benjamin franklin , Thomas Jefferson have in common
Answer: They are all patriots.
Explanation: They were all patriots at one time. Tom Brady left the Patriots but he was once. This is kinda a funny question.
What are the main factors affecting the climate of India? Explain.
Answer:attitude,Latitude,pressure and wind factors
Explanation:
Increase to release of various greenhouse gases is the main
cause of climate change. Justify the statement.
Answer:
humans are increasing influencing the climate and the earth's temperature by burning fossil fuels cutting down rainforest and farming livestock this adds enormous amounts of greenhouse gases 2009 Chura Liya cutting in the atmosphere increasing the greenhouse effect and global warming
Which of the following would be a place you would expect to find methane hydrate gas?
a. Arctic ice sheet
b. Greenland ice sheet
c. high mountain glaciers
d. permanent snow pack
e. Tundra permafrost
Answer: you would find methane hydrate gas in tundra permafrost
NEED HELP WITH EUROPEAN GEOGRAPHY
True or False: Sicily is located southwest of Italy.
Answer: True!
Explanation:
It's in the southwest
what is centre of solar system
Answer:
The sun is the center of our solar system if that is what you are asking we all revolve around the sun.
Explanation:
2. Cellular respiration converts energy from the Sun into food molecules.
True or false?
1. After the death of Jesus, how did the Jewish authority perceive the followers of Jesus? Why?
2. After the death of Jesus, how did the Roman empire perceive the followers of Jesus? Why?
Answer:
Através dos frutos ,,os feitos realizados por intermédio deles .
Explanation:
Porque jesus disse que iria para o pai ,mais deixaria a companhia do espírito santo com eles . o véu rasgou
These sentiments sparked distrust among Jewish authorities, who rejected the organization, and alarm among Roman authorities, who saw them as a threat to the Empire.
Jesus was crucified because the Roman Empire considered him as a danger to their power.
What is Jesus?The Christian faith presents Jesus' teachings. The name of God's son is Jesus. Jesus is regarded as the supreme ruler of all life in Christianity. Joshua is the genuine name. Jesus is the miracle-working force. More than three wise men were most likely present when he was born. The bible tells the story of Jesus' entire life.
The Eastern Empire eventually became the Byzantine Empire, whereas the Western Empire faded into oblivion. Roman leaders expected him to have insight into the masses. The Romans arrested and executed Jesus. Jesus' followers claimed that after his death, he came to them once more and then went up to heaven. This, they claimed, proved he was the savior.
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PLEASE HELP!!
Why do you think Albertans often defend the oil sands, while those of us who live elsewhere find them easier to criticize?
Answer:
There are four major issues affecting the oilsands: declining price outlooks, market access, a reduction in investment and climate change pressures.
Explanation:
The environmental consequences of oil production from Alberta's tar sands are major, beginning with its effect on climate change. North America's transition to oil from the tar sands not only perpetuates, but actually worsens, emissions of greenhouse gas pollution from oil consumption.
What type of plate boundary is Mount Saint Helen? I can’t find it.
Complete the following statement.
The biosphere consisting of land is referred to as _____ portion of the biosphere.
Answer:
Lithosphere is the correct answer
cause hydrosphere is water
and stratosphere and atmosphere are part of the air.
Which of the following is NOT a proposed method of interstellar travel?
A. Bussard Ramjet
B. Interstellar fluid travel
C. Solar Sail
D. Warp Drive
Answer: C. solar sail
Explanation: hope I'm right if I'm wrong I'm sorry
Answer: C (Educated Guess, read about wind below)
Explanation:
It’s a guess, more so a presumption. A solar sail would require what a sail on earth does to make its main part move..... wind flow. Yet wind flow, aka convection, is caused by the sun warming air on different parts of the earth, increasing its pressure, pushing away cold air, creating wind. There isn’t any surface in space that the heat can build upon... not knowing anything about the other choices, this about choice C is enough to convince me that it is the one that is not effective.
describe the changes in the Arctic Sea Ice from 1979 to 2011
Core samples from the ocean floor allow scientists to study layers of marine sediments laid down hundreds, thousands, even millions of years ago. Scientists have also studied the remains of algae, plants, and animals in the ocean floor or along coastlines. Ice cores pulled from deep within Arctic glaciers contain evidence of past temperatures and periods of cooling and warming. Even the distribution of ancient driftwood can provide clues about where there was open water and where there was ice.
Looking at these lines of evidence, scientists surmise that Arctic sea ice may have melted completely in summertime about 125,000 years ago, during a warm period between glaciations. As recently as 5,500 years ago, summertime Arctic sea ice may have been much less extensive than it is today. To estimate Arctic sea ice extent over the past millennium, scientists have used historical records. Where there have been people trading goods, chasing natural resources, or complaining about the weather, there have often been written accounts. Those records include ship logs, travel diaries, newspapers, government reports, even sheriffs' letters.Over time, written records have become more regular and detailed. Inhabitants of Iceland started noting sea ice conditions along the coast around 865 C.E. Government reports became routine in Iceland around 1600. Hudson's Bay Company began keeping regular logbooks of sailing conditions between Hudson Bay and England in 1751. Along the Northern Sea Route, Russian records of sea ice conditions survive from nearly every year since the late 1860s. Although these records do not match the comprehensive coverage of satellites, they have allowed modern scientists to reconstruct regional conditions, sometimes with impressive detail.
By the 1950s, shipping charts were regular and extensive enough to comprise a robust data set covering the Arctic Ocean. This data set is now available from the United Kingdom Met Office Hadley Centre. Hadley data show that Arctic sea ice has declined since at least the mid-1950s.Historical records and physical evidence pulled from the planet document multiple instances of natural variability in Arctic sea ice, on annual to multidecadal scales. The records also show that, by the early 20th century, Arctic sea ice was lower than it had been in the preceding centuries. The Hadley Centre data set shows a continued decline in sea ice. In other words, multiple lines of evidence show that Arctic sea ice was in decline well before the start of the continuous satellite record in 1979. Indeed, sea ice is less extensive now than it has been in several centuries.
The historical data also show how closely Arctic sea ice extent is linked to Earth's climate. When Arctic sea ice was lower, Earth's climate was much warmer than it is today, and sea level was higher than it is today. Leonid Polyak, a researcher at the Byrd Polar Research Center, said, "If that's where we are heading, we should be worried."
which of the following historical events is not responsible for cultural changes to Africa?
a
The Black Death pandemic in Europe during the 14th century
b
The Transatlantic Slave Trade of the 15th century
c
Islamic conquest of North Africa in 7th Century
Answer:
a . The Black Death pandemic in Europe during the 14th century
Explanation:
Answer a specifies Europe, which is not part of Africa.
B affected Africa, as the slave trade primarily saw to the forceful taking of Africans to be sold as slaves.
C as an answer choice quite literally has North Africa (emphasis added) inside of it, which is part of Africa.
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Why do people in the United States vote the way they do?
A. Glaciers, slavery, and industrialization
B. Wars, migration, glaciers, and industrialization
O C. Migration, glaciers, and industrialization
D. A wide variety of reasons referred to as multiple causation
Answer:
D
Explanation:
Cause people vote for a wide variety of reasons, could be for a president, mayor, etc
how the 2020 lockdown could or couldn't have contributed towards the reducing in the size of the azone layer
Answer
Tell whoever asked you that to explain it themselves because its very hard to explain
Explanation:
Find the value of x in the 45-45-90 triangle.
A) 6
B) 6 √2
C) 12 √2
D) 12
Answer:
I think its A sorry of I'm wrong
Europeans began exploiting (use in an unfair or selfish way.) Africa for all of the following reasons except
a
It helped trade with Asia
b
To spread Christianity
c
Africa was used to provide raw materials
d
It became the source for slave labor in the Americas
The Earth's spinning on its axis is called rotation. True of false?
Answer:
TRUE
Explanation:
Earth spins around its axis, just as a top spins around its spindle. This spinning movement is called Earth's rotation. At the same time that the Earth spins on its axis, it also orbits, or revolves around the Sun. This movement is called revolution.
Answer:
True
Explanation:
2. Where is the Cascadia region? The pacific northwest
Answer:
The North Eastern Pacific east to the continental divide is called Cascadia. The Cascadian bioregion encompassing the territories of the Alaskan Panhandle, British Columbia, Idaho, Washington, Oregon, northern California, and western Montana as well as very small portions of other nearby states and provinces.
Explanation:
Whats the most common sport in South America
What languages are given as examples of endangered? Do they matter?
Need ASAP, will give a brainliest to the best answer. If you don't answer the question right, you will get reported.
Answer:
Endangered languages are usually spoken by minority communities. Some examples would be; tribal languages of Papua New Guinea, Alpine Provençal from Italy, and Basque from Spain. These endangered languages matters because it is important to keep the culture and authenticity of a language alive to be able to pass on through generations and understand the history of a culture.
Which of the following is one difference between the Robinson and Mercator Projection Maps?
a.
The Robinson is more accurate for directions. The Mercator shows a distortion near the North and South Poles.
b.
The Robinson shows accurate shapes and sizes of the continents. The Mercator map shows parallels and meridians as straight lines.
c.
The Robinson shows parallels and meridians as straight lines. The Mercator shows accurate shapes and sizes of the continents.
d.
The Robinson is an oval-shaped projection. The Mercator was created by Arthur Robinson.