"The Trump administration has rescheduled a meeting of senior advisers to hash out internal divisions over the Paris climate change agreement for Thursday, two administration officials told POLITICO."
"A technology competition seeks solutions to Lake Erie's biggest problems, including harmful algae blooms and aging water systems. Teams in cities around the region are competing for thousands of dollars in prize money and consulting services to create apps and other tools."
"After a 170-year delay, the discovery of a strange, metallic-looking rock found in the Ural Mountains in Russia in 1839 has ignited a global technology race for a cheaper, more efficient solar cell. It could seriously disrupt the world's solar market, currently dominated by China."
"In 1945, the American Chemical Paint Company introduced its product Weedone, the first herbicide ever to hit the market that killed broad-leaved plants but not grasses. On farms, the weedkiller reduced the need for pulling weeds in grain fields, a godsend during the post-war labor shortage."
"California generates an average of 1.7 million tons of hazardous waste each year. That ranges from industrial pollution to discarded household products. It includes liquids, solid, or gases that science has determined pose a threat to human or other life."
"ALAMEDA COUNTY, Calif. — If you think the era of big dam building is over in America, check out the Calaveras project."
"As the White House pushes Congress to fund President Trump's U.S.-Mexico border wall, a new wrinkle has emerged that could stymie parts of the massive project. Mexican engineers believe construction of the border barrier may violate a 47-year-old treaty governing the shared waters of the Rio Grande. If Mexico protests, the fate of the wall could end up in an international court."
"Global sea level rise could happen at nearly twice the rate previously projected by the U.N. Intergovernmental Panel on Climate Change, even under the best scenario, according to a new report."
"Official reports released Monday say the catastrophic damage to Oroville Dam’s main spillway probably stemmed from swift water flows under the concrete chute, which was cracked and of uneven thickness."
"Scientists and data experts are closely tracking the websites of federal agencies, noting changes to pages dealing with climate change and energy since President Donald Trump took office. On Monday, they noticed an alarming message posted to the Environmental Protection Agency's (EPA) open data website, indicating it would shut down on Friday, April 28."
