Small Changes is a podcast series of one-on-one interviews with people who've seen a problem in the world and set out to change it – often in small and unexpected ways
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April 22nd was the 51st celebration of Earth Day. Kathleen Rogers, from Earthday.org, Tim Christophersen, of the UN Environment Program and Benjamin Cook, from the NASA Goddard Institute for Space Studies joins Rick Pantaleo for the Science Edition of Press Conference USA. Rick and his guests will discuss important environmental concerns like climate change and restoring Earth’s ecosystems.