Author Archives: Chelsea Harvey

Cement Producers Are Developing a Plan to Reduce CO2 Emissions

Without action, the industry could jeopardize the Paris Agreement’s global climate target

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2017 Was a Really Bad Year for Tropical Forests

Forest cover losses were the second worst on record, after only 2016, with implications for climate mitigation

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CO2 Can Directly Impact Extreme Weather, Research Suggests

Some experts are calling for a cap on CO2 emissions in addition to warming limits

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World Has Only 20 Years to Meet Ambitious 1.5C Warming Threshold

But a new calculation suggests that timeframe provides more room than thought to rein in carbon emissions

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Antarctic Melt Rate Has Tripled in the Last 25 Years

With ice loss speeding up, previous sea level rise projections may be too low

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Rising Temperatures Could Cut Corn Production

Unrestrained warming could reduce yields of the staple crop, as well as many vegetables and legumes

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As CO2 Levels Rise, Rice Becomes Less Nutritious

New findings raise public health concerns in poorer nations where rice is a major dietary staple

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World Needs to Set Rules for Geoengineering Experiments, Experts Say

With interest in such research rising, and the risks uncertain, that conservation needs to start now

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How the "Carbon Budget" Is Causing Problems

Confusion over how much CO2 can be emitted could undermine global climate action

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Dismal Western Snowpack Is a Climate "Warning Sign"

The potential for drought and large wildfires looms over the summer

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Arctic Sea Ice Is Getting Younger. Here Is Why That Is a Problem.

Young, thin sea ice melts faster, putting Arctic ecosystems in danger

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Global Tourism Has a Bigger Share of Carbon Emissions Than Thought

U.S. has biggest footprint, both from foreign visitors and Americans traveling abroad

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Mosquito-and Tick-Borne Diseases Are Rising in the U.S.

Rates have tripled in 15 years, and some scientists suspect climate change is partly to blame

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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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