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When CO2 and other heat-trapping emissions are released into the air, they act like a blanket, holding heat in our atmosphere and warming the planet. Overloading our atmosphere with carbon has far-reaching effects for people everywhere. Learn more

What does the science say about global warming and what are the connections between climate data and the changes we see around us—and those we expect to see in the future? Learn more

Why has it been so difficult to achieve meaningful solutions? Media pundits, partisan think tanks, and special interest groups funded by fossil fuel and related industries raise doubts about the truth of global warming. These deniers downplay and distort the evidence of climate change, demand policies that allow industries to continue polluting, and attempt to undercut existing pollution standards. UCS fights misrepresentations of global warming, providing sound, science-based evidence to set the record straight. Learn more

he Earth is warming and human activity is the primary cause. Climate disruptions put our

No Need to Panic About Global Warming

Perhaps the most inconvenient fact is the lack of global warming for well over 10 years now. This is known to the warming establishment, as one can see from the 2009 "Climategate" email of climate scientist Kevin Trenberth: "The fact is that we can't account for the lack of warming at the moment and it is a travesty that we can't." But the warming is only missing if one believes computer models where so-called feedbacks involving water vapor and clouds greatly amplify the small effect of CO2.