Global warming


The Moon is seen as is rises, Sunday, Dec. 3, 2017 in Washington. Photo by NASA. CC-BY-2.0 (Flickr)

Supermoons, King Tides, and Global Warming

, climate scientist

Were you, like me, dazzled by the supermoon this weekend? Did you also stare in a state of wonder at the bright and shiny orb of color illuminating the night? Supermoons happen when a full or new moon is at its closest point to Earth. While we can’t see them during the new moon, supermoons that occur during a full moon are indeed something to behold. They bring thoughts of the universe, of space, stars and planets.

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The Natural Ways to (Help) Solve the Climate Problem

, scientific adviser, Climate and Energy

This week marks the beginning of the annual U.N. climate negotiations in Bonn, chaired by the nation of Fiji, and this year it’s going to be different. At most of the negotiating sessions from the early 90s up to the Paris Agreement in 2015, the emphasis was, reasonably, on reaching a broad consensus on how to prevent dangerous climate change. But Paris achieved that, and all the world’s countries, with one exception—the United States—have accepted that agreement. So now the question is, how can we make it work? A real challenge—particularly since a key delegation to the talks is now led by the climate-denialist Trump administration.

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October 17, 2016 tidal flooding on a sunny day during the "king tides" in Brickell, Miami, FL that peaked at four feet MLLW. Photo: Wikimedia Commons CC BY-SA 4.0.

Sea Level Rise and High-Tide Flooding Outlook Make It to NOAA’s Climate Update

, climate scientist

On June 15, the National Oceanic and Atmospheric Administration (NOAA) held its Monthly Climate Update press conference, in which it releases the global temperature for the previous month. The big piece of information in this press conference usually comes on the very first slide of their presentation, which includes the measured global temperature for the month, and how much it deviates from the 20th century average of 58.7°F. Read more >

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The 2017 Hurricane Season Begins: Here Are 3 Alarming Things I’m Watching

, climate scientist

There are so many things happening in the world and in the US that we have a lot to digest. However, one of the things that should be on everyone’s radar – whether you live on the coast or not – is the 2017 hurricane season, which starts June 1st. Why? Read on.

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San Ardo Oil Field, Monterey County, CA. Photo: Loco Steve CC-BY-SA 2.0 (Flickr).

California’s Cap-and-Trade Program and Low Carbon Fuel Standard Go Together Like Peanut Butter and Jelly

, Western states policy manager

Policymakers are considering how California should cut global warming emissions by 40% between 2020 and 2030, and whether to extend the state’s cap-and-trade program beyond 2020. The oil industry supports the cap-and-trade program but wants to roll back California’s Low Carbon Fuel Standard. They argue the two policies just don’t mix—like oil and water, you might say. However, I see the two policies more like peanut butter and jelly—they are good on their own but so much better together. Read more >

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