Thirty-five years ago, NASA climate scientist James Hansen stood in front of Congress with a bold declaration: Humans are causing an increase in greenhouse gas emissions, and it’s changing our ...

James Hansen became the face of climate science 35 years ago with high-profile appearances before Congress, calling attention to global warming.Hansen is widely respected for his research on ...

Climate scientist James Hansen is frustrated. And he’s worried. For nearly 40 years, Hansen has been warning the world of the dangers of global warming.

Legendary climate scientist James Hansen, in a new study published Thursday, predicts that the Earth's temperature rise will accelerate in the upcoming decades and will reach 2 degrees Celsius ...

US scientist James Hansen, pictured in 2013, is credited as the first to publicly raise the alarm about climate change in the 1980s. CARL DE SOUZA/AFP/Getty Images ...

A new study lead by James Hansen, a scientist responsible for raising public consciousness about climate change in the 1980s, suggests global temperatures are increasing faster than expected.

The former NASA scientist James Hansen says in a new paper that global temperatures will pass a major milestone this decade, faster than other estimates predict. By Delger Erdenesanaa Global ...

James Hansen says we must realize that we’ve underestimated how much the planet is warming. ... Over the decades, climate scientists have talked about these risks in a variety of ways, ...

James Hansen alerted Congress to climate change in 1988. Now, in a controversial new paper, he has a new warning. Sign Up for Our Ideas Newsletter POV. ... Warns Climate Scientist James Hansen ...

"The 1.5 degree limit is deader than a doornail." Climate Climb. In 1988, climate scientist James Hansen shook the world when he famously testified before Congress that global warming was ...

The planet is on track to heat up at a much faster rate than scientists have previously predicted, meaning a key global warming threshold could be breached this decade, according to a new study co ...

The planet is on track to heat up at a much faster rate than scientists have previously predicted, meaning a key global warming threshold could be breached this decade, according to a new study co ...