Acidic oceans implicated in Earth's worst mass extinction – ‘These findings may help us understand the threat posed to marine life by modern-day ocean acidification’

By Will Dunham; Editing by Mohammad Zargham9 April 2015 WASHINGTON (Reuters) – It is one of science’s enduring mysteries: what caused the worst mass extinction in Earth’s history. And, no, it is not the one that wiped out the dinosaurs. Scientists said on Thursday that huge amounts of carbon dioxide spewed from colossal volcanic eruptions […]

Despite heavy rains, reservoir levels still low in São Paulo

By Stan Lehman 2 April 2015 SÃO PAULO (Associated Press) – Brazil’s biggest city has recorded its rainiest March since 2008, but the worst drought in more than 80 years has left reservoir levels critically low and water experts fear that strict water rationing may still loom for São Paulo as it enters the April-September […]

Graph of the Day: Global carbon emissions from fossil fuels, 1751-2013

5 April 2015 (Desdemona Despair) – Recently, there’s been discussion about a possible decoupling between global financial growth and carbon dioxide emissions, so Desdemona decided to check in on recent CO2 emission data. The Carbon Dioxide Information Analysis Center (CDIAC) maintains a database of fossil-fuel CO2 emissions, which has been updated with preliminary data to […]

Tree-cover loss spikes in Russia and Canada, remains high globally

By Nigel Sizer, Rachael Petersen, James Anderson, Matt Hansen, Peter Potapov, and David Thau2 April 2015 (WRI) – New, high-resolution satellite-based maps released today by the University of Maryland and Google on Global Forest Watch, a partnership of over 60 organizations convened by the World Resources Institute, reveal a significant recent surge in tree cover […]

Worst drought in history of Yosemite National Park alters familiar landscape – ‘No one in the park has experience with snowpack levels this low’

YOSEMITE NATIONAL PARK, 31 March 2015 (Los Angeles Times) – Yosemite National Park is bracing for its driest year on record, with visitor bureaus downplaying the allure of the park’s most famous waterfall and instead touting the park as a destination for hiking, bicycling and photography. Yosemite Falls will probably go dry in June — […]

As Arctic sea ice dwindles, polar bears won’t survive on land – ‘Why would anyone think this nutritionally poor environment suddenly could support whole populations of the world’s largest bears?’

1 April 2015 (Polar Bears International) – Scientists have known for years that polar bears forced ashore in summer by melting sea ice may feed on foods like bird eggs, berries, and small mammals. But would polar bears be able to survive in a warming Arctic by eating land-based foods? The short answer: no. A […]

Chile flood: Death toll rises to 23 after record rains in world’s driest region – Four relief workers killed in helicopter crash

By Cedar Attanasio30 March 2015 (Latin Times) – Fourteen are confirmed dead and dozens are still missing following heavy rains in the Chilean Andes that flooded the northern regions of Atacama, Antofagasta, and Coquimbo last week. The rains started on Tuesday March 24th but have since ceased. Rescue workers are racing to evacuate residents that […]

Massive amounts of fresh water, glacial melt pouring into Gulf of Alaska – Melt adds 57 cubic kilometers of water per year

CORVALLIS, Oregon, 19 March 2015 (OSU) – Incessant mountain rain, snow and melting glaciers in a comparatively small region of land that hugs the southern Alaska coast and empties fresh water into the Gulf of Alaska would create the sixth largest coastal river in the world if it emerged as a single stream, a recent […]

State of emergency as Super Typhoon Maysak batters Micronesia, kills 5, takes aim at Philippines

Hagatna (Guam), 1 April 2015 (AFP) – Residents of the Micronesian State of Chuuk were struggling to clear the roads of huge pieces of debris and return to damaged homes Wednesday as Super Typhoon Maysak cut a destructive path across the central Pacific leaving at least five dead. Crops were ruined and water supplies contaminated, […]

Graph of the Day: Drivers of declines in status for pollinator birds and mammals

10 February 2015 (Conservation Letters) – Drivers of declines in status for pollinator birds (1988-2012) and mammals (1996-2008). ABSTRACT: Biodiversity is declining, with direct and indirect effects on ecosystem functions and services that are poorly quantified. Here we develop the first global assessment of trends in pollinators, focusing on pollinating birds and mammals. A Red […]

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