The onset of some level of climate upheaval or widespread destruction of biomes and human lives, mild or severe, has ...

Famous for alerting the world to the climate crisis in 1988, Dr. Jim Hansen is one of the pioneers of climate science.

As global heat records are obliterated, scientists conclude it’s a signal the planet is likely on track to breach the Paris ...

Those are the latest alerts in a new paper led by James Hansen, director of Columbia University’s Climate Science, Awareness ...

The rapid meltdown of polar ice could shut down a key ocean current by 2050, triggering catastrophic surges of sea level rise along the U.S. East Coast and dangerous climate shifts in northwestern ...

Earth’s prolonged streak of abnormal heat continued into 2025 despite the arrival of La Niña ocean conditions, which ...

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.

A stark new analysis concludes that Earth's climate is more sensitive to rising greenhouse gas emissions than previously ...

Renowned climate scientist Professor James Hansen has warned that current warming targets are "dead" and the UK could be ...

Holding long-term global warming to two degrees Celsius -- the fallback target of the Paris climate accord -- is now ...