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Saturday, August 8, 2020
Rapid sea level rise could drown protective mangrove forests by 2100

Rapid sea level rise could drown protective mangrove forests by 2100

Mangrove forests can only take so much. The famously resilient, salt-tolerant and twisty trees have so far managed to keep pace with rising sea levels, providing a valuable buffer to coastal communities against pounding storm surges. Now, researchers have found the forests’ limit.  Mangroves cannot survive in seas rising faster than about 7 millimeters per…
‘Tree Story’ explores what tree rings can tell us about the past

‘Tree Story’ explores what tree rings can tell us about the...

Tree StoryValerie TrouetJohns Hopkins Univ., $27 Once you look at trees through the eyes of a dendrochronologist, you never quite see the leafy wonders the same way again. Peel away the hard, rough bark and there is a living document, history recorded in rings of wood cells. Each tree ring pattern of growth is unique,…
How more powerful Pacific cyclones may be fueling global warming

How more powerful Pacific cyclones may be fueling global warming

Increasingly powerful tropical cyclones in the North Pacific Ocean may be fueling a powerful north-flowing ocean current, helping to boost the amount of heat it ferries to northern latitudes. By enhancing the speed of some ocean whirlpools called eddies, and suppressing the spin of others, the passing storms may be accelerating the heat-carrying Kuroshio Current…
Daily global CO2 emissions dropped dramatically as COVID-19 kept people home

Daily global CO2 emissions dropped dramatically as COVID-19 kept people home

Stay-at-home orders haven’t just curbed the spread of COVID-19. They’ve briefly cleared the air. Daily global carbon dioxide emissions dropped 17 percent, from about 100 million metric tons to about 83 million metric tons, in early April compared with average daily emissions in 2019, researchers report May 19 in Nature Climate Change. Among other changes,…
These 6 books explore climate change science and solutions

These 6 books explore climate change science and solutions

Climate change is increasingly becoming part of everyday conversations. For those who want to join the discussions, there is no shortage of books that give detailed background and context on the subject. The question is, which to read? Science News staff members have reviewed several books published this year to guide you to which ones…
What lifestyle changes will shrink your carbon footprint the most?

What lifestyle changes will shrink your carbon footprint the most?

Three years ago, Kim Cobb was feeling “completely overwhelmed” by the problem of climate change. Cobb spends her days studying climate change as director of the Global Change Program at Georgia Tech in Atlanta, but she felt paralyzed over how to be part of the solution in her personal life. The barriers felt immense. She…
How to protect your home from disasters amplified by climate change

How to protect your home from disasters amplified by climate change

A decade ago, climate change projections pointed to a distant future, 50 or 100 years down the road. But with each storm and fire season seemingly more ferocious than the last, it’s clear we’re already facing the impacts of climate change: Sea levels are rising, and storms, wildfires and droughts are intensifying, fueled by warmer…
What data do cities like Orlando need to prepare for climate migrants?

What data do cities like Orlando need to prepare for climate...

Hurricane Maria roared across Puerto Rico in late September 2017. The storm caused an estimated $90 billion in damage, demolished the power grid (SN: 2/15/20, p. 22) and left more than half of the island’s residents without safe drinking water. Dachiramarie Vila recalls the smell of gasoline from generators choking the air. “The smell was…
What Michael Moore’s new film gets wrong about renewable energy

What Michael Moore’s new film gets wrong about renewable energy

In the film Planet of the Humans, producer and director Jeff Gibbs and executive producer Michael Moore take aim at renewable energy technologies and the environmental organizations such as 350.org and the Sierra Club that promote them. The film’s premise is that green tech is not so green and that turning to this technology as…
Climate Change Made 2019 The Warmest Year On Record

Climate Change Made 2019 The Warmest Year On Record

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Waggonwaybreen / Waggonway Glacier debouches into Magdalenefjorden in Albert I Land at Spitsbergen / ... [+] Svalbard, Norway. (Photo by: Arterra/Universal Images Group via Getty Images) Universal Images Group via Getty Images The annual temperature in 2019 was the highest on record for Europe, the new European State of the Climate 2019 shows. The continent…

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