Donald Trump's statement, during the September 16, 2015, debate, that vaccinations cause autism contradicted science and endangered human lives, doctors say. Moreover, the idea (expressed by several candidates) that scheduling childhood vaccinations less frequently than pediatricians recommend also endangers the health of children.

"The head of the Environmental Protection Agency dismissed complaints Wednesday by Republican lawmakers that her agency downplayed the seriousness of a toxic mine spill that fouled rivers in three Western states."

"Outfitting its biggest supertanker to measure the ocean's absorption of carbon dioxide was a crown jewel in Exxon's research program."

"Each year, Americans throw away about a third of the country's food supply. But today, the US Department of Agriculture and the Environmental Protection Agency announced the country's first-ever food waste reduction goal, calling for a fifty percent reduction by 2030."

Archbishop Joseph Kurtz, leader of the US Conference of Catholic Bishops, does not seem to be on board with Pope Francis' teachings on climate change and environmental conservation.

"Rubio says economy must come first as candidates address issue on CNN, as Christie rejects ‘wild leftwing idea’ that we can fix the climate alone".

"The U.S. military is refusing to release a report detailing environmental contamination at Camp Kinser, a 2.7-sq.-km U.S. Marine Corps supply base near Okinawa’s capital, Naha, that is scheduled for return to civilian use."

"The Department of Energy is recommending pulling the plug on the Piketon uranium enrichment project. Lawmakers Friday received word that the Energy Department has decided to end a contract to test and demonstrate new uranium centrifuge technology that Ohio lawmakers had hoped would be a boon for southern Ohio’s economy."

"House Republicans plan to vote on a bill in the coming weeks to lift the nation’s four-decade ban on oil exports, setting up a clash with the Obama administration later this year over what to do with oil from a boom in domestic production in the past decade,"

"Exxon's Own Research Confirmed Fossil Fuels' Role in Global Warming Decades Ago. Top executives were warned of possible catastrophe from greenhouse effect, then led efforts to block solutions."