Earth Day, celebrated April 22, was founded by U.S. Senator Gaylord Nelson in 1970. It is celebrated in many countries every year.

Maintaining a healthy body weight is good news for the environment, according to a study which appears today in the International Journal of Epidemiology.

An extensive thirty years study published in Science magazine on Thursday indicates that the trees of the western U.S. forests are disappearing at an accelerated rate.

During an economic downturn companies, particularly in the computer sector, could gain an advantage of their competitors by adopting reverse logistics, according to researchers writing in the International Journal of Environment and Sustainable Development.

A new study finds that environmental restoration research using large experimental tests has been limited. The study, published in Restoration Ecology, maintains that for restoration to progress as a science and a practice, more research should be done on whole ecosystems with large experiments.

The Princeton Review green college ratings appear in new 2009 editions of The Princeton Review's Annual College Guides and website profiles of schools. The Green ratings are based on environmental practices, policies and course offerings. The Princeton Review's Green Rating Honor Roll salutes 11 colleges receiving green ratings of 99 (highest score).

It has been a long-held assumption that poor nations will not support efforts to protect the environment since their citizens are too preoccupied with meeting basic needs, such as food and housing. However, a new study in The Sociological Quarterly reveals that citizens of poorer nations are just as concerned about environmental quality as their counterparts in rich nations.

California air regulators have approved the toughest rules in the United States to reduce harmful emissions from ocean-going ships using the state's ports.

Prime Minister of Australia Kevin Rudd has acknowledged there have been no great breakthroughs on climate change at the G8 major economies meeting in Japan.

Successful, measurable steps have been taken to promote the concepts of “Green Olympics” since Beijing’s successful bidding for the Olympic Games in 2001.

Russia’s state-controlled energy giant, Gazprom, has unveiled a fresh design for a major new office building it has been planning for several years in St. Petersburg. The new design, which embellishes the original plan, proposes to use plants to control the building’s temperature.