Article Index

Graywater Recycling Is An Excellent Strategy For Drought

Garden irrigated with graywater and rainwater, Los Angeles. Jeremy Levine/Flickr, CC BYMany regions of the United States are struggling with water shortages. Large areas of the West are contending with moderate to severe drought, while California is now in the fifth year of one of the most extreme droughts in its history. Even non-arid regions, such as the Southeast, are not exempt from water shortages.

Why Coral Island Hotspots Exist In An Oceanic Desert

Productivity hotspots in an otherwise nutrient-poor ocean. High abundances of plankton-eating fish on an Indo-Pacific coral reef. Zafer Kizilkaya, CC BY-SAIt was Charles Darwin, almost 200 years ago, who first asked how it could be that coral reefs could flourish in relatively barren parts of the Pacific Ocean. This conundrum subsequently became known as Darwin’s Paradox.

What Major Cities Are Ready for Climate Change?

What Major Cities Are Ready for Climate Change?

Climate change is going to affect every city on the planet in some way—but not necessarily in the same way. For those cities already adapting to it, strong, decisive action may spell the difference between surviving global warming and succumbing to it. Five cities that are steeling themselves…and five that are fooling themselves.

Managing Tropical Coastal Seas for 21st Century Challenges

Managing Tropical Coastal Seas for 21st Century Challenges

In tropical developing countries, effective coastal management must acknowledge the widespread dependence of poor and politically weak communities on the use of fish for food. Acknowledging this dependence on artisanal fisheries is pivotal to reconciling the largely separate agendas for food security and biodiversity conservation.

Waste CO2 Could Be Source Of Power

Waste CO2 Could Be Source Of Power

Dutch scientists have thought up a new use for all the carbon dioxide that pours from the chimneys of fossil fuel-burning power stations: harvest it for even more electricity. They could, they argue, pump the carbon dioxide through water or other liquids and produce a flow of electrons and therefore more electricity.

Putting An Umbrella Over Coral Reefs

Putting An Umbrella Over Coral Reefs

The world’s coral reefs are under threat. Some scientists say doses of cloud brightening could provide a solution to the problem. Here’s a new twist to the geoengineer’s dilemma: just change the climate locally – over the bit you want to protect – and leave the rest of the planet alone.

Signs Of Forests Adapting To Growing CO2 Levels

 Signs Of Forests Adapting To Growing CO2 Levels

Trees may be getting more efficient in the way they manage water. They could be exploiting the higher levels of carbon dioxide in the atmosphere, growing foliage from a lower uptake of groundwater. If so, then the carbon dioxide fertilisation effect – predicted by theorists and observed in laboratory experiments – could be real.

Solar Power Is Here To Stay

Rooftop solar

Solar power is here to stay. So is efficiency and conservative use of electricity. Solar power and local or community production is the best bet for combating global warming. Decentralized and personal production gives home owners and business managers a stake in production and thus conservation.