Study: Fireworks cause a toxic brew of unhealthy air 6/7/2015

The thousands of Fourth of July fireworks celebrations across the United States bring a toxic brew of air pollution to the atmosphere, according to a recent study from federal scientists. ...more

Roaring success: lions return to Rwanda, with rhinos next? 6/7/2015

Groggy on their paws after waking from tranquillizers, lions have returned to Rwanda for the first time since the endangered animal was wiped out following the country's 1994 genocide. ...more

Will walking 10,000 steps a day make you fit? 6/7/2015

Wearable devices that monitor physical well-being and fitness are incredibly popular. The number sold is expected to increase from 17.7 million in 2014 to more than 40 million this year. ...more

UNESCO lists Yemen world heritage sites as endangered 3/7/2015

The UN cultural agency on Thursday placed two ancient cities in conflict-torn Yemen, Sana'a and Shibam, on its list of endangered World Heritage sites. ...more

BP reaches $18.7 billion settlement over deadly 2010 spill 3/7/2015

BP Plc will pay up to $18.7 billion in penalties to the U.S. government and five states to resolve nearly all claims from its deadly Gulf of Mexico oil spill five years ago in the largest corporate settlement in U.S. history. ...more

Solar Impulse sets record but faces 'difficult' hours 3/7/2015

A solar-powered plane on the riskiest leg of a round-the-globe bid is closing in on Hawaii after a record-breaking flight which has tested its exhausted pilot to the limit in "difficult" conditions. ...more

U.S. floats draft recovery plan for threatened polar bears 3/7/2015

U.S. wildlife managers released on Thursday a draft plan for stemming the decline of polar bears threatened by melting Arctic sea ice linked to global warming, but the proposal hinges on reductions in greenhouse gas emissions that are far from assured. ...more

The director of Avatar just designed a clever alternative to ugly solar panels 3/7/2015

Director James Cameron is bringing his love of magnitude to solar energy with the Sun Flower, a large solar structure that's actually pleasant to look at. ...more

Khalifa hydroponic farm’s paying off 2/7/2015

As spring turns into summer, the Khalifa fund’s investment in Abu Dhabi hydroponic agriculture is beginning to pay off. ...more

Australia hails 'tremendous' UN barrier reef decision 2/7/2015

Australia Thursday hailed a United Nations decision to keep the Great Barrier Reef off its in danger list as "tremendous", but activists warned more must be done to improve the marine park's health. ...more