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Much of New South Wales, Australia, including the Sydney Opera House, lay under a shroud of smoke Thursday. The state remains under severe or very high fire danger warnings as more than 60 fires continue to burn within its borders.

Australia's Wildfires Are Releasing Vast Amounts Of Carbon

The Australian bushfires are emitting huge amounts of climate warming carbon into the atmosphere. Normally, new vegetation that grows back would recapture it, but that may be changing.

As Super Tuesday approaches, Denver resident KSue Anderson can't stop thinking about climate change. Between 2014 and 2019, the number of Americans alarmed about climate change nearly tripled according to the Yale Program on Climate Change Communication.

Democratic Primary Voters Increasingly Worried About Climate Change

More than a decade ago, the issue seemed distant to Americans' experiences. But now polls show a dramatic rise in concern, driven partly by extreme weather.

A New South Wales Rural Fire Service large air tanker drops fire retardant on the Morton Fire burning in bushland close to homes at Penrose, south of Sydney, on Friday.

Enormous 'Megafire' In Australia Engulfs 1.5 Million Acres

Two fires have merged into a single blaze more than three times as big as California's largest-ever known fire. A quarter of a million people have been urged to evacuate towns south of Sydney.

'Disease tolerance' is the ability of an individual, due to a genetic predisposition or some aspect of behavior or lifestyle, to thrive despite being infected with an amount of pathogen that sickens others. It might play a role in asymptomatic coronavirus infections.

Scientists Explore Why Some People Are Able To Live With An Infection Unscathed

What if your body could corral an infection instead of eliminating it? Immunologists who see this sort of "disease tolerance" in plants wonder what role it might play in asymptomatic human infections.

Rattan Lal in an Ohio cornfield. The soil scientist is this year's World Food Laureate, earning a quarter of a million dollar prize for his pioneering work in soil improvement.

Soil Prof Hits Pay Dirt: $250K Prize For Helping Farmers, Fighting Climate Change

Meet 2020 World Food Prize Laureate: Rattan Lal. His "soil-centric" philosophy is praised as being good for crops — and for mitigating climate change.

In this Oct. 16, 2015 file photo a solar panel is installed on the roof of the Old Governor's Mansion State Historic Park in Sacramento, Calif.

California Gives Final OK To Require Solar Panels On New Houses

Single and small multi-family homes must include solar panels starting in 2020. Recent extreme weather events such as wildfires and drought make the need clear, a state official says.

Firefighters battle a blaze engulfing trees in the town of Nowra in the Australian state of New South Wales on Dec. 31, 2019. Fire conditions worsened into the New Year, with thousands forced to evacuate.

Australia Deploys Military Reservists To Combat Wildfire, As Thousands Evacuate

Australia's volatile fire season saw "one of the worst days on record" this weekend, as record-breaking temperatures and low humidity exacerbated conditions.

The San Diego skyline is pictured in this undated photo.

San Diego County Has Enough Water For 2019, Water Authority Says

San Diego County will have enough water for 2019 in spite of low rainfall and high temperatures over the past year, the San Diego County Water Authority announced Monday.

Boats are pulled ashore as smoke and bushfires rage behind Australia's Lake Conjola on Thursday. Thousands of tourists fled the country's fire-ravaged eastern coast this week ahead of worsening conditions.

Australians Brace For Flames As 'Frighteningly Quick' Bushfires Advance Toward Sydney

Authorities have warned of worsening conditions over the weekend, while the deputy fire commissioner for New South Wales cautions people of the fires' "frighteningly quick" advance.

Frank Gehrke, right, chief of the California Cooperative Snow Surveys Program for the Department of Water Resources, prepares to do the first sample of the second manual snow survey of the season at Phillips Station near Echo Summit, Feb. 2, 2016. Gehrke was accompanied by Michael Jarred, left, a consultant with Assembly Natural Resources Committee, and Kasey Schimke, of the Department of Water Resources.

Water Officials Vote To Extend California Drought Emergency

State water regulators voted to extend emergency conservation measures because of the drought, even though an increase in rain and snow this winter has improved California's snowpack.

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