COPENHAGEN — On a busy road in the center of town here, a string of green lights embedded in the bike path — the “Green Wave” — flashes on, helping cyclists avoid red traffic lights.
On a main artery into the city, truck drivers can see on smartphones when the next light will change. And in a nearby suburb, new LED streetlights brighten only as vehicles approach, dimming once they pass. Continue reading Copenhagen Lighting the Way to Greener, More Efficient Cities
Urban agriculture is playing an increasingly important role in global food security, a study has suggested.
Researchers, using satellite data, found that agricultural activities within 20km of urban areas occupy an area equivalent to the 28-nation EU.
The international team of scientists says the results should challenge the focus on rural areas of agricultural research and development work.
Continue reading Global importance of urban agriculture ‘underestimated’
The unique protest idea to make a stand against climate change by sticking heads in the sand has spread to Australia’s most famous beach. Continue reading Australians put heads in the sand for Bondi Beach protest
Soil conditions across China are grim, with some regions seeing serious contamination, according to a nationwide soil pollution survey conducted by the country’s environmental watchdog.
Pollution of land abandoned by industrial and mineral enterprises is especially severe, the survey said.
Continue reading Soil survey paints China’s sobering pollution picture
It looks like a passage into another dimension, or an alien space ship hovering just out of vision. And the people of Twitter want answers.
On Monday, images of a bizarre cloud hovering over Wonthaggi, a seaside town 132 kilometres south-east of Melbourne, saturated social media as puzzled users sought answers.
Continue reading Wonthaggi rapture cloud has Twitter people all in a twitter
China is on course this year to build four times the total wind power installed in all of Denmark as developers push to build the turbines ahead of cuts to incentives originally designed to spur the industry.
Continue reading China rushes to harness wind with government help
LONDON — Harvesting energy from the tides is hard to do, and the development of a new generation of sea-based power arrays lags far behind more widely used renewable technologies like wind and solar.
Executive Salad 