The past several weeks we once again saw the Mayor at his best and at his worst. At his worst, he berated a NY Observer reporter who raised the issue of term limits. At his best, he demonstrated the political courage to experiment with banning cars from parts of Times Square and Herald Square, and…
With the threat of rising sea level due to thermal expansion (water increases volume as it gets warmer) and melting of land-based ice (such as glaciers and polar ice sheets), coastal cities are planning ways to minimize the impacts of flooding on city infrastructure. The Thames Barrier (pictured) is one such engineering solution. It is…
The Columbia Water Center is leading intellectual inquiry into the assessment, prediction and solution of the growing scarcity of fresh water. Although the CWC is looking at water issues across the globe, up until now, little attention at the Center has been focused on the Great Lakes. Some past student projects have explored in-depth…
Water is an increasingly scarce commodity in many parts of the world, and it seems seawater desalination is one of very attractive solutions available to these regions. Of all the Earth’s water, 94 percent is saltwater from the oceans and only 6% is fresh. If plenty and easily accessible seawater could turn into fresh drinking…
Nordeste, the driest region in Brazil, has been castigated by heavy rainfall in the last two months. Yesterday a dam broke in the state of Piaui killing at least four people. The video below shows a partial bridge that collapsed after the dam break. The media shows every day more and more news about natural…
A cistern is not what you would expect to find in a NYC house; however, a brownstone in our backyard has its own rainwater collection cistern. The brownstone, billed as the “Greenest House in NYC” and the first residential property in Manhattan to receive the coveted LEED certification, was recently highlighted in Good Housekeeping Magazine.…
If you’re anything like me, the effects of climate change and environmental degradation can often seem overwhelming. We can try to reduce our own carbon emissions through actions like taking public transportation and using less electricity, but it’s hard to see the impacts of those actions. What, I sometimes wonder, can I do to help…
One of the largest uses of fresh water withdrawals in the United States is for irrigation. The USGS estimates that 60% of the worlds fresh water withdrawals is for irrigation purposes, which calculates to 137,000 million gallons per day used for irrigation purposes. Some of this water is for irrigation of crops, while other of…
The Chinese capital of Beijing will raise water prices this year as an attempt to conserve its scarce water supply. Cheng Jing, the head of Beijing’s water-resources bureau, announced on May 10th the city would raise water prices within the next two months. This price hike will be the fifth one since 2001 in a bid to promote conservation.