Author Archives: Chelsea Harvey

Antarctic Glaciers Are Helping Drive Their Own Melt

Meltwater is fueling a feedback loop that lets warm seawater eat away at them from below

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Recent Ocean Heat Waves Have "Forever" Altered Great Barrier Reef

At least 30 percent of corals died off in 2016, and more extreme heat is likely in store

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Why Are Glaciers Melting from the Bottom? It’s Complicated

Warm ocean waters are eating away at ice, but what’s driving that process is unclear

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Ocean Heat Waves Are Getting Worse

Spikes in sea temperatures stress marine ecosystems, particularly coral reefs

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Antarctic Glaciers Lost Stunning Amount of Ground in Recent Years

Linked to a warming ocean, ice retreat was more rapid than even at the end of the last Ice Age

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Greenland Is Melting Faster Than Any Time in the Last 400 Years

And the melt of the massive ice sheet is only picking up speed

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Climate Change Is Becoming a Top Threat to Biodiversity

Warming rivals habitat loss and land degradation as a threat to global wildlife

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Congress Says Biomass Is Carbon-Neutral, but Scientists Disagree

Using wood as fuel source could actually increase CO2 emissions

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Arctic Warm Spells Linked to Nasty Winter Weather on East Coast

Evidence builds for controversial idea linking Arctic temperature spikes to changing weather patterns

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Tree Farms Will Not Save Us from Global Warming

Plantations would have to be massive in scale, and their value is still unproven

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Antarctica’s Iconic King Penguins May Have to Move South

But suitable islands for breeding may be harder to find

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West Coast Wetlands Could Nearly Disappear in 100 Years

Although the Gulf and East coasts get most of the attention, the West Coast could see massive losses

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Seas Will Rise for 300 Years

And the longer it takes to reduce carbon emissions, the higher they will go

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Extreme Weather Will Occur More Frequently Worldwide

And if countries do not meet the Paris climate agreement goals, the risks will be even greater

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New Study Finds Cutting Oil Subsidies Will Not Stop Climate Change

The effect of removing fossil fuel subsidies would fall far short of the reductions promised in the Paris Agreement 

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Polar Bears Require More Food to Survive Than Thought

Due to climate change, they already may not be catching enough prey to meet their high energy demands

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Warming Threatens Reptiles More Than Birds and Mammals

Over planetary history, warm-blood animals have outperformed cold-blooded animals in adapting to changing temperatures

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Tiny Particles of Pollution May Strengthen Storms

Ultra-fine aerosol particles, produced by industrial activity, are helping storms grow bigger and more intense in the Amazon basin

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Shrinking Mountain Glaciers Are Affecting People Downstream

Many glaciers seem to have already reached a tipping point, after which freshwater runoff will begin to decline

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Cleaning Up Air Pollution May Strengthen Global Warming

New research is helping quantify just how big that effect might be

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The Good and Bad News about Rising Temperatures

Scientists believe they can better pinpoint how much future warming the world can expect

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River Floods Will Threaten Tens of Millions in Next 25 Years

Storms and heavy rainfall events that cause flooding are expected to become more severe

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Erosion May Transform the Arctic Food Chain

Scientists have discovered an unexpected consequence of the shifting polar landscape

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Scientists Can Now Blame Individual Natural Disasters on Climate Change

Extreme event attribution is one of the most rapidly expanding areas of climate science

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The Top 7 Climate Findings of 2017

Research breakthroughs astound scientists

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Climate Change Has Doubled Snowfall in Alaska

One reason is that warmer air can hold more moisture, which leads to greater amounts of precipitation, including snow
Image: Theirs, or another image of snow in south central Alaska

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Wind Turbines May Turn Slower in a Warmer World

Changes in global temperatures could affect air flow around the planet

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Songbirds Shift Migration Patterns to Sync with Warming

It is still unclear how changes in migration timing might affect whole populations or species

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How Much CO2 Will the World Have to Remove from the Atmosphere?

Scientists increasingly agree that the world may need negative emissions to prevent catastrophic warming

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Melting Ice Could Mess Up Deep Sea Chemistry

Thawing glaciers may speed up acidification of ocean water

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