Oslo, Norway, they have reduced energy consumption by 70 percent simply by using an innovative and energy-efficient form of streetlights without an international agreement.
The African region of Okavango planted 300,000 acres of trees, which will sequester 30 million tons of carbon dioxide.
The state of South Australia is on track to generate 33 percent of its power from renewable sources by the year 2020.
Across its various regions, China is investing billions of dollars in electric and hybrid vehicles.
South Africa is developing a solar project that, when complete, will provide one-eighth of all of the energy of the entire country.
Twenty-nine of New York City's universities and hospitals have accepted Mayor Bloomberg's challenge to reduce their emissions by 30 percent within the next few years.
