Climate And Farming, Mars 2020, Fireflies. August 23, 2019, Part 2
From cutting back on fossil fuels to planting a million trees, people and policymakers around the world are looking for more ways to curb climate change. Another solution to add to the list is changing how we use land. The United Nations’ Intergovernmental Panel on Climate Change, or IPCC, released a special report this month that emphasized the importance of proper land management, such as protecting forests like the Amazon from being converted to farmland, has on mitigating climate change. Robinson Meyer, a staff writer at The Atlantic, joins Ira to discuss the ins and outs of the report. Cynthia Rosenzwieg, a senior research scientist at NASA Goddard Institute for Space Studies and one of the lead authors, also joins to talk about ways we can use land to reduce the amount of greenhouse gas in the atmosphere.
Plus: NASA’s Mars 2020 mission is just around the corner. Next fall, the Mars rover will launch with an upgraded suite of instruments to study the red planet in a way Curiosity and Opportunity never could. When it lands on Mars, it will search for and try to identify signs of ancient life. But how will it know what to look for? Katie Slack Morgan, deputy project scientist on the Mars 2020 mission, and Mitch Schulte, a Mars 2020 Program Scientist, talk to Ira about the chances of finding evidence for ancient life on Mars—and why the Australian Outback might be a good testing ground.
And if you take a walk at night during the summertime, you might catch a glimpse of fireflies lighting up the sky. But scientists are learning that these bioluminescent insect populations are vulnerable to habitat loss, pesticides, and light pollution. Biologist Sara Lewis talks about conservation efforts including Firefly Watch, a citizen science project that maps out firefly populations around the country. She joins geneticist Sarah Lower to discuss how individual species of fireflies create different blink patterns, as well as the difference between fireflies, lightning bugs, and glow worms.
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