The demise of monarch butterflies is largely blamed on an agriculture-induced collapse of the milkweeds. Another, little-appreciated problem desperately needs attention: monarch butterfly roadkill.
Currently, many cities charge high prices for parking in the downtown core. This is an effective strategy to discourage people from driving in to the center city and keeps traffic congestion in check. But self-driving cars could totally upend this system.
Won’t somebody think of the grown-ups? The unappreciated importance of introducing adults to nature.
A study reveals that since the 1980s the general diversity of the world's crops has grown. But that's been paralleled by the increasing domination of just few crop species that now occur all over the world.
A new method to convert a commonly used plastic into oil is more energy-efficient than recycling or burning plastic waste.
A study that maps climate analogs—matching the predicted future climate in one location to the current climate in another—finds that many North American cities are in for an unfamiliar future.
A survey of consumers showed that hardly any recognised the trademark of sustainable palm oil, calling into question just how effective eco-labelling can be.
A new method to scrub carbon dioxide from factory and power plant smokestacks is similar to that used in specialty scuba-diving gear, and should use significantly less energy than state-of-the-art carbon capture methods.
Australia has the world’s highest extinction rate. A primary culprit is predation by historically non-native cats and foxes, and killing those animals is central to conservation efforts—but there’s another solution: allowing dingoes, the continent’s apex predator, to fulfill their ecological role.
People are less happy on days when the air is more polluted, according to an analysis of 210 million posts on the Chinese social media site Sina Weibo.