James Hansen is an American adjunct professor directing the Program on Climate Science, Awareness and Solutions of the Earth Institute at Columbia University. He is best known for his research in climatology, his 1988 Congressional testimony on climate change that helped raise broad awareness of global warming, and his advocacy of action to avoid dangerous climate change. In recent years he has become a climate activist to mitigate the effects of climate change, on a few occasions leading to his
Did you know that James Hansen, initially a planetary scientist, shifted his focus to Earth's climate due to concerns about accumulating greenhouse gases?
His 1988 testimony before the US Senate Committee on Energy and Natural Resources was a pivotal moment, boldly declaring that global warming was underway and attributing it to human activities. This testimony significantly elevated public and political awareness of climate change, marking a turning point in the global discussion.
James Hansen is widely regarded as 'the father of global warming awareness' for his early warnings and persistent advocacy, profoundly shaping both scientific understanding and the public discourse on climate change. His work continues to inspire climate activism and policy efforts worldwide.
Also known as: J. Hansen, Jam Hansen