Environment

Donald Trump doesn't believe in climate change — here are 16 irrefutable signs it's real

President-elect Donald Trump does not believe that climate change is real, despite overwhelming scientific evidence that our planet is warming. As president, he wants to dismantle the Paris Agreement to reduce greenhouse gas emissions, ramp up fossil-fuel production as a vehicle for job growth, and restart the Keystone XL oil pipeline process.

 

Trump’s stance on the environment contradicts thousands of scientists and decades of research, which has linked many observable changes in climate, including rising air and ocean temperatures, shrinking glaciers, and widespread melting of snow and ice, to an increase in greenhouse gas emissions from human activities.

The observed changes in climate have grave implications for the future of natural and human systems. Here are 16 signs of climate change that can’t be disputed.

Between 1990 and 2010, worldwide emissions of all major greenhouse gases — carbon dioxide, methane, nitrous oxide, and several fluorinated gases — increased.

Between 1990 and 2010, worldwide emissions of all major greenhouse gases — carbon dioxide, methane, nitrous oxide, and several fluorinated gases — increased.

WRI/FAO

Source: EP

Human activities contribute to the release of greenhouse gas emissions, largely through the burning of fossil fuels. Energy production and use, which includes fuels used by cars, are the largest sources of greenhouse gas emissions worldwide.

Human activities contribute to the release of greenhouse gas emissions, largely through the burning of fossil fuels. Energy production and use, which includes fuels used by cars, are the largest sources of greenhouse gas emissions worldwide.

WRI/FAO

Source: EPA

Carbon dioxide is the most concerning greenhouse gas, partly because of the abundance and rate at which it is being released into the atmosphere. CO2 accounts for about three-fourths of global greenhouse gas emissions, with the largest contributions from Asia, Europe, and the United States.

Carbon dioxide is the most concerning greenhouse gas, partly because of the abundance and rate at which it is being released into the atmosphere. CO2 accounts for about three-fourths of global greenhouse gas emissions, with the largest contributions from Asia, Europe, and the United States.

WRI

Source: EPA

Levels of carbon dioxide in the atmosphere are higher than they have been at any time in the past 400,000 years, which covers the last three glacial cycles.

Levels of carbon dioxide in the atmosphere are higher than they have been at any time in the past 400,000 years, which covers the last three glacial cycles.

National Oceanic and Atmospheric Administration

Source: NASA

In 2013, CO2 levels in the air surpassed 400 parts per million (ppm), the highest in human history.

In 2013, CO2 levels in the air surpassed 400 parts per million (ppm), the highest in human history.

NASA Climate Change website

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