When conjuring up an image of a healthy ecosystem, few of us would think of a modern city. But scientists are increasingly recognizing that the majority of ecosystems are now influenced by humans, and even home gardens in urban landscapes can contribute important ecosystem services.

It’s estimated that there are as few as 3,200 tigers left in the wild — that’s nearly a 97 percent loss in wild tigers over just a century. However, scientists are now saying that the world’s tiger population can double by 2022. 

Illegal gold mining in the Amazon has a devastating effect on indigenous peoples, writes Sarina Kidd. First the miners bring disease, deforestation and even murder. Then long after they have gone, communities are left to suffer deadly mercury poisoning. Now the UN has been called on to intervene.In Brazil, new statistics reveal alarming rates of…

El Niño years can have a big impact on the littlest plants in the ocean, and NASA scientists are studying the relationship between the two. In El Niño years, huge masses of warm water – equivalent to about half of the volume of the Mediterranean Sea – slosh east across the Pacific Ocean towards South America.…

Initial findings from the Walnuts and Healthy Aging (WAHA) study presented at Experimental Biology 2016 (EB) indicate that daily walnut consumption positively impacts blood cholesterol levels without adverse effects on body weight among older adults. The WAHA study is a dual site two-year clinical trial conducted by researchers from the Hospital Clinic of Barcelona and Loma…

After nearly 50 years of service, Scotland’s last coal-fired power plant — Longannet Power Station — has finally gone offline, putting an end to over 100 years of burning coal for electricity.It’s an important moment for Scottish Power, which looks ahead to clean power initiatives with the goal of going all-renewable by 2020,But it’s also a very symbolic…

Elderly adults are bigger around the middle when they turn up the heat inside their homes during the cold season and have smaller waistlines when their homes stay cool, new research finds. Investigators from Japan will present their study results Friday at the Endocrine Society's 98th annual meeting in Boston."Although cold exposure may be a…

New opportunities to fight climate change in these properties are coming from an unlikely source: the commercial property lease. A new study finds that in 2009, only 15% of all leases signed in Sydney’s central business district contained green clauses; by 2013, this had risen to over 60%.

Oxford researchers have quantified the benefits of the world becoming vegetarian, writes Marco Springmann. Their study shows that simple changes – like moving to diets low in meat and high in fruit and vegetables – could lead to significant reduction in mortality and health care costs, while cutting food sector greenhouse gas emissions by two…

If there is an animal emblematic of the northern winter, it is the snowshoe hare.A forest dweller, the snowshoe hare is named for its big feet, which allow it to skitter over deep snow to escape lynx, coyotes and other predators. It changes color with the seasons, assuming a snow-white fur coat for winter camouflage.But…