U.S. President Donald Trump is seen visiting the California town of Paradise that was devastated by forest fires. Trump has threatened to use funds allocated for disaster relief to pay for his border wall. (AP Photo/Evan Vucci)

Climate change collides with Trump’s border wall

Donald Trump has threatened to use funds allocated for disaster relief to fund his border wall. It's time to rethink how we frame disasters to stop politicians from using them for political gain.
Rock salt is widely used to deice roads around the world. (Shutterstock)

Why is road salt so bad for the environment?

With frigid temperatures and snow in the forecast, slippery roads can't be far behind. Salt keeps roads safe, but it's harmful to aquatic environments.
Insects are nutritious and many species contain relatively more protein than conventional meat sources. CK Bangkok Photography/Shutterstock

Fried, toasted or steamed: Recipes for insects

Because insects are an affordable and local food source rich in protein, they can be used as a meat replacement.
The TV show Star Trek contains lessons for sustainable and inclusive innovation. Shutterstock

Star Trek’s formula for sustainable urban change

The Star Trek formula for sustainable urban innovation: collaborate, share, use technology for the greater good and invest in people.
The source of the Yamuna River, one of the major rivers draining the Himalayas. Anthony Dosseto

Melting Himalayan glaciers puts lives at stake

A new report predicts that one-third of the ice in the Himalayas will melt, even if we contain global warming to 1.5C. So what does that mean for the flood-prone valleys below?
The benefits of beans, lentils and other pulses go beyond the belly. (Shutterstock)

Benefits of pulses: Good for you and the planet

Today’s production of more, better food from the same amount land means that tomorrow’s population may not go hungry.
Researchers collect samples from the abandoned tailings that flow into Long Lake, near Sudbury, Ont. John Gunn

Cleaning up abandoned mines costs everyone

Bankrupt oil and gas companies must clean up old wells, yet taxpayers are still stuck with the bill for abandoned mines.
The Flint Hills Resources oil refinery, near downtown Houston. AP Photo/David J. Phillip

Fossil fuels are bad for your health

The coal, oil and natural gas industries are also connected with human rights violations, public health disasters and environmental devastation.
Bundled up against the cold in downtown Chicago, Sunday, Jan. 27, 2019. AP Photo/Nam Y. Huh

How the frigid polar vortex is linked to global warming

Life-threatening cold temperatures in the central US are caused by changes in wind circulation in the Arctic that bring cold air south. Climate change could make these events more frequent.
A dry river bed in south Australia. (Shutterstock)

How drought affects freshwater fish

Freshwater fish are suffering as drought becomes more common and severe. Whether they survive will depend on how governments manage rivers and lakes, and on taking action against climate change.
Moving beyond pesticides to control the destructive Varroa mite that’s killing honeybees is appealing, but requires more research. Shutterstock

Mite vs mite: The search for honeybee saviours

Bee colonies are threatened by a mite. However, a different mite has been evaluated for its potential to address this threat.
Sunrise in the Salinas Valley, an agriculture hub of central California. Depleted aquifers have left once-valuable cropland useless. Shutterstock

The global race for groundwater speeds up

Groundwater supplies around the world are under threat as drilling companies bore deeper and deeper wells.
Alexander Joseph from the Babine Lake First Nation joins supporters of the Unist'ot'en camp and Wet'suwet'en First Nation as they gather at a camp fire off a logging road near Houston, B.C., on Jan. 9, 2019. THE CANADIAN PRESS/Chad Hipolito

Corporations don’t grasp Indigenous jurisdiction

TransCanada Corporation has misunderstood or misrepresented the risks associated with Indigenous jurisdiction.
Heavy, wet snow can knock down tree limbs – and power lines. AP Photo/Bill Sikes

Keeping the lights on during extreme cold snaps

Making electric grids better able to withstand extreme weather events will require teamwork from engineers, researchers and the government.
Biscuit Brook, a popular fly fishing spot in New York’s Catskill Mountains. Ellen Wohl

Small streams and wetlands need protection

The Trump administration wants to end federal protection under the Clean Water Act for many small streams and wetlands. But as a geoscientist explains, these are critical parts of large river systems.

How we are different

10 reasons

Most Read past week

  1. Star Trek’s formula for sustainable urban innovation
  2. Existentialism: A guiding philosophy for tackling climate change in cities?
  3. Road salt makes winter driving safer, but what does it do to the environment?
  4. It’s taken thousands of years, but Western science is finally catching up to Traditional Knowledge
  5. How Indigenous knowledge advances modern science and technology

Pitch an idea

Got a news tip or article idea for The Conversation?

Tell us

Our Audience

The Conversation has a monthly audience of 10.7 million users, and reach of 38.2 million through Creative Commons republication.

Want to Write?

Write an article and join a growing community of more than 79,600 academics and researchers from 2,723 institutions.

Register now