Ecology59
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Robotic Bug Sparks a Flighty Debate on Evolution
A robotic bug’s attempts to fly were no match for gravity – the critter was unable to soar above the ground. The findings shed light on a longstanding debate about the evolutionary origins of flight, as scientists have long debated whether birds first evolved flight as ground dwellers or tree jumpers.
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Open House: Earth Institute Undergraduate Programs
Whether you are interested in global poverty alleviation, sustainable development, sustainability management, ecology or environmental policy, Columbia University has a program for you. Attend the Environmental and Sustainable Development Programs Open House from 4-7 p.m. on Monday, Oct. 24, Low Memorial Library, Columbia University (116th & Broadway) to learn more.
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Sprouting Trees From the Underground Forest — A Simple Way to Fight Desertification and Climate Change
Beginning in Niger in the 1980s, Tony Rinaudo, an African aid missionary, began working with farmers to develop a new approach to reforesting degraded landscape. The practice he developed involved selective pruning of shrub shoots to a main stem, which was then pruned of its lower leaves and branches. Within a few years, new woodlands…
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8 Ways to Look at 7 Billion
Interested in learning more about the world’s population? Here are some recent articles about the history, context and implications of 7 billion people living on earth.
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Green Sidewalk is Electrifying
Utilizing innovative technology to transform physical impact into electricity, PaveGen is literally, as the company tagline describes, “Generating Energy from footsteps.”
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Ecological and Urban Resilience
Resilience science has been evolving over the past decade, expanding beyond ecology to reflect systems of thinking in fields such as economics and political science. And, as more and more people move into densely populated cities, using massive amounts of water, energy, and other resources, the need to combine these disciplines to consider the resilience…
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The 7 Billion Challenge
The rapid rise in the world’s population to 7 billion — from 6 billion a dozen years ago — poses enormous challenges. In this video, Earth Institute Director Jeffrey D. Sachs talks about the stresses our population already puts on the planet, and the mission of the institute to promote sustainable development.
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Join a Conversation About 7 Billion People
The world’s population will reach 7 billion this year, and the UN estimates continued growth, primarily in less-developed regions. What will this steep population growth mean for our environmental, economic and social systems? Join the conversation on Oct. 17.
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Cycle of Abuse Among Nazca Boobies
Researchers studying Nazca boobies of the Galápagos Islands found high correlations between degree of aggressive behavior among adults and the amount of abuse they endured as nestlings. The findings have implications for those who study human psychology and behavior, as some social scientists argue that abused children are statistically more likely to become abusers later…
