and they come just weeks after an even starker warning from renowned climate scientist James Hansen, who said the planet was ...

A serious question for voters in this federal election campaign: If climate change is a scientific matter, why wasn’t it presented in a scientifically credible peer reviewed paper in a scientific ...

The surprising January heat record coincides with a new study by a climate science heavyweight, former top NASA scientist James Hansen, and others arguing that global warming is accelerating.

Does cleaner air speed up global warming? James Hansen, a well-known climatologist who warned the U.S. Congress about global ...

Time is running out to prevent catastrophic consequences from global warming, a leading climate scientist warned a packed audience Thursday at Stanford University. Physicist James E. Hansen ...

Last year raised many major red flags for climate change, perhaps greatest of all it being the first year in which global ...

Since James Hansen's 1988 testimony, the level of confidence in the anthropogenic (human-induced) causes of global warming ...

James Hansen, the climate scientist best known for alerting the US Congress to global warming in the 1980s, has redoubled his warnings that we are underestimating the climate impact of declining ...

The surprising January heat record coincides with a new study by a climate science heavyweight, former top NASA scientist James Hansen, and others arguing that global warming is accelerating.