In December of last year, Congress passed legislation that gives the Environmental Protection Agency authority to phase out most hydrofluorocarbons — potent greenhouse gases that keep refrigerators cool — over the next 15 years. But there's no perfect alternative to replace them.

Twenty years ago Portugal decriminalized all drugs as part of a bigger national strategy to fight addiction. Last month Oregon became the first U.S. state to do the same, in a policy modeled off Portugal’s approach — but many questions about how success may translate remain unanswered.

Amid a worldwide mental health emergency, the discovery of new pharmaceuticals to treat conditions like depression has stalled. But researchers and therapists are showing that when paired with therapy, psychedelic drugs like LSD and magic mushrooms are a new class of promising treatments.

In India, macaque monkeys are a menace — attacking people for food, breaking into offices, and in one state, damaging at least 54 million dollars worth of crops. A sterilization program aimed to curb the population, but some experts and locals question if it’s working or even the right approach.

A recent U.S. Supreme Court decision on the dusky gopher frog now has conservationists and developers squaring off over the legal definition of the term ‘habitat.’ The accepted meaning will guide American lawmakers in designating protected areas for endangered species across the country.

In South Africa, trauma researchers are studying — and working to ease — the psychological toll of Covid-19, while trying to endure the pandemic themselves. They warn the widespread and long-lasting impacts of this collective trauma could span generations and cross national borders.

As smoky summers resulting from wildfires have become the new normal across much of the West Coast, communities have tried to put better systems in place protect their most vulnerable residents. But this year, they didn’t plan on dealing with a smoke wave in the middle of a pandemic. How are they coping?

This month: Acoustic ecologists are racing to record Earth’s shifting soundscapes before they disappear. Some researchers are using their recordings to answer questions about how the environment and its inhabitants are changing, while others are sounding the alarm on pressing conservation issues.

This month: Communicating about animal research with the public can open early career scientists up to social stigma and even campaigns that threaten careers. But working with animals can be an emotionally taxing job — and the silence could isolate scientists further and strengthen public misconceptions.

This month: Ground-up waste leftover from asbestos mining still lines the landscape of Quebec. Now, a number of companies are eager to transform that waste into profitable product — but health officials worry this new industry might reawaken an old problem the province finally seemed to be moving away from.