Many renewable energy technologies require metals that are mined through environmentally destructive processes. Now, Oxford scientists are investigating a new way to mine valuable metals trapped in hot brines beneath volcanoes.

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Even with today's various sewage-treatment technologies, a great deal of municipal wastewater is still released back into waterways either partially or completely untreated. According to a new study, however, plots of willow trees could be used to clean it up – while also producing useful materials.

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Back in January, we covered an autonomous plastic trash collector called Clearbot that was designed to remove waste from local waterways. Now the startup behind the project has partnered with gaming titan Razer for an updated design.

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Scientists measuring concentrations of CO2 in the atmosphere at the Mauna Loa Atmospheric Baseline Observatory have reported the highest levels on record, and ones not see on Earth in more than four million years.

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The problem of microplastics pollution is getting worse, so it's important to monitor the amount of such plastic waste currently present in the world's oceans. According to a new study, a simple sea creature may better allow scientists to do so.

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Water scarcity is one of humanity’s most pressing problems. Now, engineers at Caltech have developed a system that can tap into two sources to produce drinking water, by purifying dirty water during the day and collecting droplets from fog overnight.

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Using advanced infrared imaging technology aboard an Earth-orbiting satellite, scientists have measured the coldest temperature of a storm cloud on record, owing to an overshooting top that penetrated the stratosphere.

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Cattle are a major source of greenhouse gas emissions, mainly due to their methane-loaded burps. A detailed new study has found more evidence that feeding cows a small seaweed supplement can greatly reduce their methane emissions.

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The Coca-Cola Company has announced it will be trialing a paper bottle prototype in a limited run of 2,000 later this year. The test sales of the plant-based beverage AdeZ will be conducted in Hungary through the e-grocery retailer Kifli.hu.

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E-waste is a growing problem, so if an electronic component can't be reused or recycled, it should at least be biodegradable. That's where an experimental new electronic display comes in, as it can be composted when no longer needed.

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