US | energy To Fix US Energy Policy, Start Over Activist argues for multipronged strategy on climate change By Dustin Lushing Posted Jun 10, 2008 6:28 PM CDT Copied Echelon is demonstrating how smart utility metering systems, street lighting systems, home networks, and building control systems can work together to create a complete ''smart grid." (AP Photo) The US must overhaul its environmental strategy, alternative-energy advocate Denis Hayes writes in Yale Environment 360, and here's how: Cap carbon at its source—coal mines, oil fields, pipelines—not where it leaves the atmosphere. Promote renewable energy and buy photovoltaic devices in bulk to drive prices down. Construct a nationwide smart grid. Improve automobile mileage: 50mpg by 2020, 100mpg by 2030. Build high-speed electrified railways. Do it now. To see the complete list, as well as Hayes' reasoning, click the link below. Read These Next Country star cancels rest of his tour: 'I am mentally unwell.' Iran's new leader issued a defiant first statement. Morrissey calls off gig after night in 'indescribable hell.' Second 'Doomsday Plane' in 2 months is seen over California. Report an error