A plume of exhaust extends from the Mitchell Power Station, a coal-fired power plant built along the Monongahela River, 20 miles southwest of Pittsburgh, in New Eagle, Pennsylvania.

With carbon dioxide emissions continuing to rise, an increasing number of experts believe major technological breakthroughs — such as CO2 air capture — will be necessary to slow global warming. But without the societal will to decarbonize, even the best technologies won’t be enough.

By David Biello

Biodiversity

As Asian Luxury Market Grows, A Surge in Tiger Killings in India

Poachers killed more tigers in the forests of India in 2016 than any year in the last 15. The spike is linked to demand for tiger parts in China, where the endangered animal’s bones and skins are regarded as exotic luxury items.

By Sharon Guynup

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interview

William K. Reilly, a Republican and one-time head of the EPA, is dismayed that a climate change skeptic has been named to lead his former agency. But in a Yale e360 interview, he insists environmental progress can be made despite resistance from the Trump administration.

By Christian Schwägerl

The Yellowstone River as it flows through Yellowstone National Park in Wyoming.

Science

A New Look at Rivers Reveals the Toll of Human Activity

A recent outbreak of a deadly fish parasite on the Yellowstone River may have seemed unremarkable. But a new wave of research shows the episode was likely linked to the cumulative impact of human activities that essentially weakened the Yellowstone’s "immune system." 

By Jim Robbins

The Warming Arctic

The Warming Arctic

A look at how rising temperatures are altering the top of the world — and how the impacts could affect the entire planet.

  1. An Unusually Warm Arctic Year: Sign of Future Climate Turmoil?

  2. The Global Impacts of Rapidly Disappearing Arctic Sea Ice

  3. How Climate Change Could Jam The World’s Ocean Circulation

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