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Lion Numbers Plunge as African Wilderness Succumbs to Human Pressure

The king of the African savannah is in serious trouble because people are taking over the continent’s last patches of wilderness on unprecedented scale, according to a detailed study released this week. The most comprehensive assessment of lion (Panthera leo) numbers to date determined that Africa’s once-thriving savannahs are undergoing massive land-use conversion and burgeoning human population growth. The decline has had a significant impact on the lions that make their home in these savannahs; their numbers have dropped to as low as 32,000, down from hundreds of thousands estimated just 50 years ago.

July 22, 2012: Biking Africa’s Indian Ocean Coast, Studying Life in Antarctica, and More

This week on “National Geographic Weekend,” join host Boyd Matson as we bike from Mt. Kilimanjaro to Cape Town, then we hire an army to defend a dig site in Niger, explore the world’s growing city populations, discover what Boyd has in common with The Terminator, hear about the unglamorous side to science exploration in Antarctica, wander around Australia’s Outback, earn recognition for a lifetime’s wok in biodiversity, and finally we dig up a tomb full of millions of embalmed puppies.

2012 Blue Planet Prize Winners Offer Hope for Greener World

“We’re facing a global storm, and the question is, is our boat ready?” Mathis Wackernagel asked the crowd gathered at the Japan Pavilion at the UN Conference on Sustainable Development in Rio de Janeiro Sunday. Wackernagel, who hails from Switzerland and is president of the Global Footprint Network, was being honored with a 2012 Blue…

Conservation Biologist Thomas Lovejoy Awarded Blue Planet Prize

Thomas E. Lovejoy, Professor of Environmental Science and Policy at George Mason University, Virginia, was awarded the 21st annual Blue Planet Prize, the international environmental award, the University announced today. “The Blue Planet prizes are awarded to individuals or organizations each year that make outstanding achievements in scientific research and its application in helping to…

Aspen Environment Forum Looks at the Human Role in Global Calamities

Yesterday evening, the opening panel of the 2011 Aspen Environment Forum looked at our increasingly disaster-prone world and asked how we can cope with calamity on a more and more crowded planet. Stewart Brand of the Long Now Foundation, Bill McKibben of 350.org, Thomas Lovejoy of George Mason University, and Marcia McNutt of the U.S.…