Let Forest Fires Burn? What the Black-Backed Woodpecker Knows August 06, 2017 CaliforniaIFTTT Carbon Dioxide +7 Center for Biological Diversity Earth Island Institute Environment Forest Service Global Warming Greenhouse Gas Emissions NYT. Climate Change Wildfires CaliforniaIFTTT Carbon Dioxide Center for Biological Diversity Earth Island Institute Environment Forest Service Global Warming Greenhouse Gas Emissions NYT. Climate Change Wildfires