Stories by Chelsea Harvey

Global warming made such an event at least 150 times more likely a new rapid analysis finds

This umbrella service could make it easier for communities to find information on climate risks, from drought to floods

The “most fundamental” climate metric takes a troubling turn

Antarctica’s enormous Pine Island Glacier could follow right behind it, raising global sea levels significantly

New York City is building protective reefs with farmed oysters restaurants do not want

Old maps of snow depth on the ice had led researchers to underestimate melting

These sentinels of marine ecosystems point to the damage climate change, overfishing and other human pressures are causing

The toxin’s presence in meltwater raises concerns for fishing, a primary food source for Indigenous communities

The summer of 2016 was the hottest in the nation’s first and oldest national park since 770

Repeated shifts between wet and dry conditions boost the growth of salt crystals that destabilize the rock canvas

Overpumping, drought and climate change are lowering water tables worldwide

The slumping ice is moving 50 to 100 times faster than usual

Aquatic ecosystems, many altered by human activities, played a surprisingly large role

More of the coastal vegetation could lessen stress on corals and shellfish

Special satellite radar reveals the unexpected drainage through the porous Greenland ice sheet

And in Japan, this year’s arrival was the earliest in 1,200 years

Recommendation from the National Academies stirs controversy over consequences

Warmer temperatures and higher humidity may be key factors

More and more broods are crawling out of the ground sooner than expected

But there is little evidence to show that the process is increasing precipitation

Some of the big storms actually bring more snow, but others cause major melting

Climate change may be playing a role as higher heat makes trees less resilient to pests

In the Rocky Mountains, dozens of small mammal species have shifted to higher elevations over time

Extreme weather is increasingly likely to test electric grids and energy supply systems