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As a major zoo closes, 10 reasons to rethink the concept
After 140 years in operation, the Buenos Aires Zoo in Argentina's capital plans to move almost all of its 2,500 animals to natural reserves. Those animals too old or infirm to make the move will stay, but will no longer be kept on public exhibit. The zoo will become an educational eco-park where Read More...
Scientists call for urgent action to save the world's coral reefs
As the largest international gathering of coral reef experts comes to a close, scientists have sent a letter to Australian officials calling for action to save the world's reefs, which are being rapidly damaged. The letter was sent Saturday to Australian Prime Minister Malcolm Turnbull imploring Read More...
Solar cell efficiency smackdown: Eye of moth vs. petal of rose
Moth eyes were last year’s big thing in solar cell biomimicry, and now it looks like a new challenger has stepped into the ring. A research team from Germany’s Karlsruher Institut für Technologie has zeroed in on the nanoscale structure of rose petals — specifically, the El Read More...
Australia set to cash in on low-cost renewable energy
Decision on coal mine 'defies reason' Super-coral may take heat off reef bleaching Climate change: Full coverage The cost of producing electricity from renewable energy could be slashed by as much two-thirds within 10 years, making it competitive with coal-fired power, experts say. And the cost of Read More...
India proposes 1 GW wind energy auction
India may soon launch its first-ever auction for wind energy projects as it plans to keep the investors interested even as some crucial financial incentives are set to expire by early next year. The Ministry of New & Renewable Energy has issued a proposal to auction 1 GW of wind energy capacity Read More...
This company wants to save millions of lives, using a $25 plastic bag
Singapore-based WateROAM aims to tackle this issue through a cost-effective way to convert waste water into drinking water. At just 400g, the company's palm-size Fieldtrate Lite appears as a non-descript plastic bag but the portable filtration system claims to remove bacteria and other pathogens, Read More...
Immense species richness of bacterial-eating microorganisms discovered in soil
Millions of microorganisms play a major role in the decomposition of soil matter. A group of researchers has just shown that there is an enormous diversity among a group of bacteria-eating microorganisms known as Cercozoa. The research suggests that a drier climate in the years ahead due to climate Read More...
New credit card lets you give to your favorite charitable causes
America's 200 million credit cardholders are better at accruing rewards than spending them. As one survey showed, in 2015 credit card holders failed to redeem about $16 billion worth of loyalty points. That’s why you may want to consider Charity Charge. This new MasterCard, issued by Read More...
A pay-as-you-go solar solution could kickstart renewable energy adoption in Nigeria
Providing electricity in countries like Nigeria is a challenge. Only 18 percent of the household in Africa’s largest economy enjoy reliable electricity supply. With the national grid largely unreliable and, in some places, non-existent, Nigerians have been typically forced to generate their own Read More...
Americans rush to Cuba to save organic agriculture practices on the island
For decades, an international embargo prevented Cuba from importing things fertilizer and pesticides, and pharmaceutical drugs. As a result, the country had to rely on organic agriculture and traditional medicine to serve its population. Now that Cuba is slowly re-entering the world community, that Read More...