
Has New York City hit a critical mass that will make it truly a green city? I’m beginning to suspect so, at least in terms of water issues. There have been an increasing number of initiatives both to remediate past damage and to prevent future water quality problems, that are worth looking at together.

While awareness of the water-energy nexus is growing, in many parts of the world policy affecting both energy and water remains shortsighted at best and dangerously counterproductive at worst.

Last Saturday, October 2nd saw the maiden voyage of “Jerko, the Gowanus Water Vacuum” in a classic expression of the burgeoning, grandly ambitious Do-it-Yourself environmental cleanup movement. Jerko is intended to move up and down the canal, cleaning water through biological filtration and reminding us of what have done to the earth—and what, in theory,…

There is increasing evidence that forests – and subsequently, deforestation – may have impacts on global water cycles.
To address global warming skeptics, the Earth Institute’s Columbia Climate Center authored a report in partnership with Deutsche Bank Climate Change Advisors to examine many of the claims and counter-claims against climate change science. The report concludes that despite the noise generated by misinformation, a vast body of scientific research affirms that human-made climate change…

Post-earth quake, the project team for the Haiti Regeneration Initiative (HRI) resumes fieldwork in the Haitian countryside. Program coordinator Alex Fischer is interviewed.

NEW YORK, September 1 – The Earth Institute, Columbia University is pleased to announce a $1 million grant from the John D. and Catherine T. MacArthur Foundation to help improve the health of mothers and children in poor, rural communities within the Millennium Villages project (MVP). These funds will support activities to increase access to…

By Elizabeth Robinson As little as five years ago, geoengineering was fringe science. But now, with CO2 concentrations still rising in spite of our knowledge of the consequences, geoengineering is increasingly viewed as an option for coping with the possibility of catastrophic climate change. On Friday, September 24th, the Columbia Climate Center hosted an event…

On September 17, one man was killed and 18 others injured when police attempted to break up demonstrators protesting an irrigation project recently approved by the Peruvian government.