Charles C. Mann

Big Water makes an argument straight out of Economics 101. The best way to deliver water to people's homes efficiently, the water barons argue, is to put the process in the hands of the market. If water is scarce, then raise the price - let the law of supply and demand take over!

Scientists have established huge numbers of links between particular diseases and snippets of DNA, but in the great majority of cases, this has not yet been translated into treatments that can help cure patients. These treatments will come - tomorrow, or the day after.

You know how in movies the new president comes in and promises to perform sweeping actions with a stroke of a pen? The Administrative Procedure Act is designed to thwart this sort of maneuver.

By the 1980s, businesses had realized that environmental issues had a price tag. Increasingly, they balked. Reflexively, the anticorporate Left pivoted; Earth Day, erstwhile snow job, became an opportunity to denounce capitalist greed.

Canceling the climate pact will loudly demonstrate Trump's willingness to fight - an important step for the White House because, on a concrete level, few tools are available to revive the coal industry.

Under the Paris agreement, every one of the 147 signatories issues what is called an 'intended nationally determined contribution' (INDC), which amounts to a promise that the nation will take certain actions to reduce greenhouse-gas emissions by a certain date.

Prediction is a mug's game, but taking the side of water polluters has not been a winning political strategy for 50 years. Presidents Reagan, Bush I, and Bush II all undertook to weaken water regulations in the name of economic growth. They left office; the regulations remained.