Christine Todd Whitman says there are valid environmental concerns with the Keystone XL pipeline but thinks it'll ultimately be built.
Former EPA chief Christine Todd Whitman says the federal government has to take proactive steps to combat the effects of climate change.
Much of the world's electronic waste ends up in Guiyu, China, where old parts are recycled but chemicals like mercury leak into the water.
The Philippines is the second largest producer of geothermal energy, but the country is looking to export its renewable energy program to other nations.
The Obama Administration is expected to decide the fate of the pipeline project in 2013, and the debate between protestors and TransCanada continues.
With land prices at a premium in Singapore, vertical farms with rotating vertical racks present a sustainable solution while cutting down pollution.
Renewable energy has been used in Corsica, France, for decades. Now the island is considered an experiment for the newest technologies.
Aquatic hyacinth is overtaking Africa's Lake Victoria, but entrepreneurs are using the invasive weed to create baskets and rope to sell.
CNN's Fareed Zakaria reports that cars have gotten increasingly heavier and looks at one scientist's design for the lighter car of the future.
