Global Warming Statistics

• Percent of Americans who believe global warming is very real and who believe is not happening dropped dramatically.
• Percent of Americans who believe global warming is not happening and who believe is caused mostly by human activity rose dramatically.
• Percent of Americans who believe global warming is caused mostly by human activity and who say they are "somewhat" or "very worried" about global warming lifted slowly.
• Percent of Americans who say they are "somewhat" or "very worried" about global warming and who say they are trust climate scientists as a source of information about global warming increased rapidly.
• Percent of Americans who say they are trust climate scientists as a source of information about global warming and climate scientists who believed global warming is being caused by humans  rose sharply.
• Percent of climate scientists who believed global warming is being caused by humans and all carbon dioxide that is emitted by man made sources  was plunged.