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NPR's Ailsa Chang talks with Steven Davis, earth system scientist with the University of California-Irvine about why global carbon emissions continue to rise, despite efforts and pledges to cut them.

DAKAR, Senegal (AP) — As the world has watched with fear and fascination the fires burning in Brazil’s Amazon rainforest, satellite images show a far greater number of blazes on the African continent.

Irvine, Calif., Aug. 28, 2019 – An international team of Earth system scientists and oceanographers has created the first high-resolution global map of surface ocean phosphate, a key mineral supporting the aquatic food chain. In doing so, the University of California, Irvine-led group learned that marine phytoplankton – which rely on the trace nutrient – are a lot more resilient to its scarcity than previously thought.

There is a doomsday scenario for the burning Amazon — the irreversible point at which the tropical land can no longer sustain itself as a flourishing, vital rainforest. What's less certain is exactly when that threshold, driven by a collapse in the climatic system that feeds the forest, will get crossed, though it may be quite soon. What's more certain, though, is humanity is speeding along on the tipping point interstate.

RIO DE JANEIRO — Millions in aid are being pledged. Hundreds of soldiers are heading into the jungle. The Amazon is burning — and the world has taken notice.

Irvine, Calif., July 29, 2019 – Constructed from a quarter century’s worth of satellite data, a new map of Antarctic ice velocity by glaciologists from the University of California, Irvine and NASA’s Jet Propulsion Laboratory is the most precise ever created.

Professors Eric Rignot, Tim Tait and Jenny Yang have been named recipients of the 2019 Academic Senate awards for research making the UCI School of Physical Sciences the only school on campus to win awards in the research category.

July 2 (UPI) -- Trees in the alpine forests of California's Sierra Nevada mountain range suffered a massive die-off as a result of the loss of deep-soil water, according to a new study.

Irvine, Calif. – A catastrophic forest die-off in California’s Sierra Nevada mountain range in 2015-2016 was caused by the inability of trees to reach diminishing supplies of subsurface water following years of severe drought and abnormally warm temperatures. That’s the conclusion by researchers from the University of California, Irvine and UC Merced outlined in a study published today in Nature Geoscience.

Irvine, Calif., July 1, 2019 – The nations that have signed agreements to stabilize the global mean temperature by 2050 will fail to meet their goals unless existing fossil fuel-burning infrastructure around the world is retired early, according to a study – published today in Nature – by researchers at the University of California, Irvine and other institutions.