Environment

Smog-eating graphene composite could reduce air pollution

Scientists have developed a graphene-titania photocatalyst that degrades up to 70% more atmospheric nitrogen oxides (NOx) than standard titania nanoparticles in tests on real...

Even a short-term visit to a severely polluted city is bad for your health

There are many things people research when planning a vacation or business trip abroad—such as the weather, how to get around a city and...

New coating lets toilets clean themselves and save water

A new coating effectively makes self-cleaning toilets while also cutting the amount of water in each flush, researchers report. Every day, more than 141 billion...

Even small doses of air pollution could harm your health

In a new study, researchers found that even a little exposure to the fine particles of air pollution can translate into higher hospitalization rates...

Urban green space may help people live longer

In a new study, researchers found that urban green space can prevent premature deaths. The analysis, which included nine studies involving seven countries and a...

PM 2.5 pollution linked to memory loss, Alzheimer’s-like brain atrophy

In a new study, researchers found that women in their 70s and 80s who were exposed to higher levels of air pollution experienced greater...

Climate change and overfishing are boosting toxic mercury levels in fish

We live in an era — the Anthropocene — where humans and societies are reshaping and changing ecosystems. Pollution, human-made climate change and overfishing have...

Carbon dioxide capture and use could become a new global business

Capturing carbon dioxide and turning it into commercial products, such as fuels or construction materials, could become a new global industry, according to a...

Carbon capture could cause more harm than good, says study

One proposed method for reducing carbon dioxide (CO2) levels in the atmosphere – and reducing the risk of climate change – is to capture...

Scientists create a new way to remove carbon dioxide from air

The process could work on the gas at any concentrations, from power plant emissions to open air. A new way of removing carbon dioxide from...