The encouraging 8.4 percent growth in state revenues in the 12-month period ending in June 2011 offers a glimmer of hope that states are beginning to climb out of the fiscal hole caused by the recession.
While the practice of retrofitting buildings with energy-conserving technology like efficient boilers, high-quality windows and compact fluorescent light bulbs has been around for years, data on whether these changes result in any real savings has been virtually nonexistent.
method, a consumer goods company which focuses on producing and selling products that not only clean your home, but do so in a sustainable way, has been one of the more successful social enterprises to date.
The video challenge isn’t the only education effort EPA was engaged in this year to encourage energy efficiency and conservation, though. It also an “Energy Stars Across America” national grassroots effort, launched on Earth Day 2011.
In a paper published in the journal Science, Natalie Mahowald at Cornell University reports on a third effect of anthropogenic aerosols on the climate—their slow impact on biogeochemical cycles potentially affecting the fluxes of CO2 into and out of the atmosphere.