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Tag archives for climate change

Nations to Sign Paris Climate Agreement Friday

Four months after it was finalized by delegates to the Paris Climate Change Conference, the Paris Agreement will be signed by more than 100 nations on Friday. While the agreement is facially insufficient to meet its overall emissions objectives, the signing of the Paris agreement nevertheless is significant. It brings into effect the approach and…

Uncharted Arctic waters: A new opportunity for exploitation, or conservation?

Co-authored by Erica Cirino When thick sheets of sea ice began melting in the Arctic waters around Svalbard, Norway, a few years ago, a new expanse of sparkling blue sea opened up. As climate change continues to drive ice melt here on the previously untouched waters of the North Barents Sea, what many ocean conservationists…

Climate-Change-Related Precipitation Extremes Hard to Predict

Scientists have warned that severe drought and precipitation are among the risks of greenhouse-gas-induced climate change, but a study published in the journal Nature finds that extremely warm temperatures do not always translate into record wet and dry extremes. Highlighting the complexities in predicting the effects of planetary warming on precipitation, lead author Fredrik Ljungqvist…

Antarctic Ice-Sheet Collapse Could Trigger Rapid Sea-Level Rise

A study published in Nature finds that Antarctic ice-sheet collapse driven by greenhouse gas emissions could double the sea-level rise predicted for this century—from 3.2 feet according to a three-year-old United Nations estimate to upward of 6.5 feet by 2100. The research builds on the work of other recent studies pointing to an irreversible melting…

Mayors, city networks and urban stakeholders worldwide call for an IPCC Special Report on Cities and Climate Change

Over 25 organisations have now joined forces to show their support for the Special Report proposal, to be decided during the IPCC 43rd Session in Nairobi on April 11-13  Cities are already facing the impacts of climate change and are highly vulnerable to a range of climate hazards, including sea level rise, street flooding, landslides, droughts, epidemics and…

Quick Take: Nature Protects People

By Kathy Baughman McLeod, Managing Director, Coastal Risk & Resilience, The Nature Conservancy This week, I’m in South Florida with partners from local government, the private sector and the international community to highlight the vital role that nature plays in protecting people in Miami-Dade County and coastal communities around the world. Miami-Dade is one of…

Compact and connected cities are better for people and the environment

The argument has been proven, the data is clear: compact and connected cities are better for people and the environment. Importantly, compact and connected cities are also good for the economy. According to a report by the Global Commission on the Economy and Climate, urban sprawl costs the US economy over $1 trillion dollars per…

Record Low Arctic Sea Ice Extent Points to Irreversible Changes

Scientists at the National Snow and Ice Data Center (NSIDC) said on Monday that Arctic sea ice cover of 5.607 million square miles on March 24 represented the lowest winter maximum since records began in 1979. That’s 5,000 square miles less than last year’s record low. Contributing to the ice extent loss were record high…

Best Job Ever: Conquering the World’s Largest Glaciers

“For me, it’s definitely worthwhile to live shorter, but intense,” says Vincent Colliard, a young explorer joining renowned polar explorer Børge Ousland in an endeavor to cross the world’s 20 largest glaciers. The ambitious 10-year journey is part of an effort to document climate change, an important mission for sure but one that regularly places the explorers in the path of danger.

February’s Record Heat Astounds Scientists

Data released last week by the National Oceanic and Atmospheric Administration (NOAA) shows that the string of monthly global heat records extended through February, when the average worldwide temperature was 2.18 degrees Fahrenheit above the 20th century average. The tenth straight record breaking month, February was the most above-normal month since meteorologists began tracking temperatures in…

Best Job Ever: Exploring Super-Remote Caves in Greenland

Geologist Gina Moseley started caving for sport when she was 13 years old, and now she’s in it for science. Moseley is constructing the first cave-based record of past climate change for Greenland.

Now is the moment for an IPCC Special Report on Cities and Climate Change

On April 11 – 13, the Intergovernmental Panel on Climate Change (IPCC) will meet in Nairobi to decide on its work programme for the next reporting cycle. This includes a shortlist of Special Reports to be delivered in the upcoming years; among 27 proposals is the suggestion for an IPCC Special Report on Cities and Climate Change, submitted by…

Forests in 25 Words or Less

By Alison Clausen

Today marks the U.N. International Day of Forests. I was asked recently for an “elevator pitch” in 25 words or less on why we should invest resources in saving tropical forests and, in particular, in tropical forests in Madagascar. To those of us working in conservation, this question seems like a no-brainer, so at first I took the question with a grain of salt. However, my questioner persisted and it made me realize both that it is not a no-brainer for everyone – particularly given the competing priorities for peoples’ attention – and that for the conservation community we need to be able to answer such questions if we are to engage people in our work.

Not All Forestry Is Carbon Equal

By Justin Adams, Global Managing Director for Lands at The Nature Conservancy The UN’s International Day of Forests is on March 21. While some people might see this as merely a day for tree-huggers to crunch their granola a little louder, this day is important for celebrating one of the most valuable ecosystems — not…

Climate, Movement, and the Spread of Disease

“Diseases track human migrations all throughout history,” says Amy Winter. What will that mean as people move to adapt to the changing climate?