Ice melts on tundra and thawing permafrost in Newtok, Alaska. Photo: The Washington Post/Getty Images Over the years, scientists have raised a key question about future climate change: When, exactly, does the warming stop? Do temperatures stop rising as soon as people cease emitting greenhouse gases? Or is some level of future warming already guaranteed,…

What is sustainability? Sustainability is a way of using resources that could continue forever. A sustain-able activity is able to be sustained without running out of resources or causing harm. If something is unsustainable, it means it’s using up resources faster than they’re being replaced. Eventually the resources will run out and the activity won’t be able…

It’s easy to forget about the internet’s tangible consequences, thanks to its virtual nature. As incomprehensible as it may seem, something completely virtual can have an impact on the environment. Yes, websites have a carbon footprint. The internet feasts on electricity. It all comes down to the billions of devices surfing the web and the…

Climate denial hasn’t gone away – here’s how to spot arguments for delaying climate action! The UK and many other rich countries have set ambitious targets for emissions cuts to tackle climate change, and have already made much headway in recent years. Further progress can be achieved while making sure that fossil fuels are used responsibly,…