Recent Posts by Andrew
Sustainable sources of energy, like sludge-to-power, can help reduce air pollution in Beijing, China. Photo by Peter Dowley/Flickr.
World Water Day: How “Sludge” Can Power China’s Cities While Cutting Emissions
Last December, Beijing’s city government issued a “red alert” for smog levels—the highest possible designation. Schools and construction sites closed, traffic was restricted, and air pollution reached 10 times the World Health Organization’s recommended limit. Meanwhile, residents in neighboring cities ...
Situated in Thailand’s expansive Chao Phraya river basin, Bangkok is particularly susceptible to urban damage due to river flooding. Photo by Chrisgel Ryan Cruz/Flickr.
Why cities need to address river flooding now
Cities contribute 70 percent of the world’s energy-related greenhouse gas emissions and play an essential role in climate change mitigation. However, since average global temperatures are already rising and the effects of climate change are becoming increasingly palpable around the world, ...
São Paulo is experiencing a drought so extreme that the city could run out of water, and it is only one of many populous Brazilian cities that face significant risk for drought in future years. Photo by Martha Slivak/Flickr.
Three maps help explain São Paulo, Brazil’s water crisis
The worst drought to grip São Paulo, Brazil and neighboring states in 80 years is wreaking havoc on the local population. As of late October, key reservoirs hold less than two weeks’ worth of drinking water. Schools and health centers are closing early, ...