Pennsylvania's natural gas drillers are still flushing vast quantities of contaminated wastewater into rivers that supply drinking water, despite major progress by the industry over the past year in curtailing the practice.

Climate change issues bring into greater prominence that all the world's people are linked together and that we all have a stake in creating a sustainable path for the planet and no such path can allow for 10 million avoidable child deaths each year.

A federal proposal laying out new standards for a controversial natural-gas drilling practice called hydraulic fracturing likely won’t be issued until after the 2012 elections...the timing of the standards would take that hot-button issue off the table.

To protests from business and praise from unions, environmentalists and consumer groups, one agency after another has ratcheted up the price of life, justifying tougher — and more costly — standards...