Hansen and his co-authors write in the paper that "impacts on people and nature will accelerate" as global warming increases toward the 2-degree threshold.

Science New Research Led by James Hansen Documents Global Warming Acceleration The rapid meltdown of polar ice could shut down a key ocean current by 2050, triggering catastrophic surges of sea ...

Global warming may be happening more quickly than previously thought, according to a new study by a group of researchers including former NASA scientist James Hansen, whose testimony before ...

James Hansen became the face of climate science 35 years ago with high-profile appearances before Congress, calling attention to 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 ...

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.

Former NASA top scientist James Hansen is warning that global warming is accelerating faster than most models are showing, a contention that other scientists think is overblown.

Science James Hansen Warns of a Short-Term Climate Shock Bringing 2 Degrees of Warming by 2050 The famed researcher publicly released a preliminary version of a paper-in-progress with grim ...

That, Hansen said, is another warning sign that parts of Earth’s climate system, and particularly ice sheets and ice shelves, are more sensitive to warming than we think.

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.

Marshall Ritzel/AP 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.

Former NASA top scientist James Hansen is warning that global warming is accelerating faster than most models are showing, a contention that other scientists think is overblown.