Before slamming into the Philippines, Typhoon Haiyan blew across the northern part of the Pacific island nation of Palau, wreaking havoc and elevating concerns about climate change.
Australia's koala population has been hit hard by two rapidly spreading diseases: chlamydia (a sexually transmitted infection) and a retrovirus similar to HIV. Scientists are working to develop vaccines, while lay citizens help care for sick koalas.
Discarded chewing gum is a common eyesore, and removing it from city streets and sidewalks can be costly. A Mexican congressman wants to solve the problem by borrowing a concept widely used in environmental regulation: making the polluters pay.
When it's spring again, millions of tulips bloom across the Dutch landscape, and new hybrids in a myriad colors are being created every year.
In the waters off Spain's Mediterranean coast, scientists and fishermen are working together to try to save sea grass, which is a key player in the local marine ecosystem.
Without the bacteria in our own bodies, or deep in the soil and the oceans, we could not flourish and grow, and nor could any of the plants we depend on.
In Europe, home to history's greatest taxonomists, professional scientists and amateurs are scouring the countryside for new species — and finding them at an astonishing rate. Ari Daniel Shapiro of our partner program NOVA reports.
Rodrigo Medellin is Mexico's premier bat biologist, and he's out to save the animals he studies. After all, he says, if Mexico had no bats, there would be no tequila. NOVA's Ari Daniel Shapiro reports.
Faced with chronic water shortages, many residents of Mexico City aren't wafting for the city government to fix things. They're turning to the sky.
Fungi break down and destroy dead plants and trees. And in the process, they release nutrients, so plants and trees can grow.
Costa Rica, a tropical country known for its national parks and ecotourism, has taken a step to protect its environment. But in this environmentally conscious nation, a new ban on hunting faces obstacles.