No one expects the machinery of progress to roll backwards, but sometimes it seems that no one is watching the speedometer (or manning the brakes, assuming any exist). Is this a fair assessment? If so, should we be worried — and what can we do about it?
In this feature, experts on technology, risk, science, policy and neuroscience discuss risk, innovation and how our values affect our conceptions of both.
Stable, nontoxic refrigerants changed the world, transforming food storage, expanding Sun Belt populations, even helping early movie theaters succeed. But they also wrecked the ozone layer — Earth’s shield against harmful ultraviolet radiation.
Today, as stockpiles dwindle — and prices rise — due to phase-outs set by the Montreal Protocols 30 years ago, the future of Freon and its successors remains in doubt.
The Arizona Game and Fish Department has begun dropping fake plants and other habitat into Roosevelt Lake. Widely varying lake levels at Roosevelt pose problems for natural vegetation.
The work is part of a larger plan, the Tonto National Forest Lakes Habitat Improvement Project, which seeks to help bass and crappie bounce back and boost the sustainability — and fishing prospects — of Salt River reservoirs and Bartlett Lake.