Rachel Licker

Senior climate scientist

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Rachel Licker is a senior climate scientist with the Climate & Energy Program at the Union of Concerned Scientists. In her role, Dr. Licker communicates climate science to policymakers, the public, and the media. She analyzes new developments in climate science and works to defend climate science budgets and programs. See Rachel's full bio.

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5 Great Public Health Resources for Dealing With Extreme Heat

These are five resources that can help you and your loved ones stay safe during an extreme heat event. You can also help keep others in your community safe, for example by checking in on elderly neighbors or other people you know who are particularly vulnerable to heat. Read more >

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Photo: Jonathan Johannes/Flickr

Climate Change and Human Health – The Win-Win of Tackling Air Pollution

The World Health Organization estimates that an alarming 7 million people die prematurely each year as a result of air pollution. To help tackle this issue, this year’s World Environment Day (June 5) is shining a spotlight on this environmental threat and the multiple benefits derived from tackling it. To learn more, I spoke with Sandra Cavalieri, the Coordinator of the Health Initiative of the Climate and Clean Air Coalition’s Secretariat who is contributing to World Environment Day.

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Photo: Jonathan Johannes/Flickr
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Kingfisher, OK, August 19, 2007 -- Children play in flood water from Tropical Storm Erin. Photo: FEMA

The National Climate Assessment Provides Exactly the Information the Country—and Its Leaders—Need to Hear

There’s no option to avoid dealing with climate change—either we work now to mitigate and adapt, or we pay an ever-increasing price in years to come. The NCA4 makes it clear that there are many adverse impacts of climate change that can be limited or avoided if we take immediate action to drastically reduce global warming emissions. Read more >

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What is the Fourth National Climate Assessment?

The report is a scientific assessment that provides decision-makers with objective information that they can use to decide how to best protect their constituents from heavy rainfall, hurricanes, wildfires, rising seas and other impacts of climate change. Read more >

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Photo: Flickr / Irene / Creative Commons license CC-BY-NC 2.0

Heat Extremes at 1.5°C and 2°C Warming

A key feature of the new IPCC report is its look into how climate change impacts are likely to be different at 1.5°C and 2°C warming above pre-industrial levels. A comparative look at heat extremes at these two warming levels is among the topics covered. The implications of these kind of projected changes – from adverse effects on our health and safety, to creating pre-conditions for large wildfires – are not difficult to envision after the devastating heat waves of 2018.

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Photo: Flickr / Irene / Creative Commons license CC-BY-NC 2.0
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