Trump scraps Clean Power Plan: What that means for Earth
President Trump signed an executive order Tuesday to dismantle the Clean Power Plan. The plan, which President Obama’s administration put into effect in 2015, was designed to cut power plant emissions of carbon dioxide (CO2), a greenhouse gas that is warming the planet. The Clean Power Plan requires that, by 2030, the power sector’s CO2 emissions be brought down to 32 percent below their 2005 levels.
Deep in the Amazon, a Remarkable Beach Experience
Even though it is far removed from the sea in a remote corner of the Amazon jungle, Alter do Chão must rank among the world’s most alluring white-sand beaches.
Disappearing Beaches: Modeling Shoreline Change in Southern California
Using a newly-developed computer model, scientists predict that with limited human intervention, 31 to 67 percent of Southern California beaches may become completely eroded (up to existing coastal infrastructure or sea-cliffs) by the year 2100 under scenarios of sea-level rise of one to two meters.