China’s Underwater Hunt

What do you find 3 kilometres under the sea?

In China’s Underwater Hunt, a team of Chinese scientists embark on a daring deep-sea mission to find out – travelling to places no human has ever been, rich with rare resources and unique creatures.

Sailing on one of the oldest research ships in the world, the group face high seas, cyclones, and constant seasickness as they explore the depths of the … [more…]

World Water Day: Must-Watch Documentaries

photo: World Water Day: Must-Watch Documentaries

From Kenyan water women, to Iran’s drought crisis and a polluted paradise: our picks for World Water Day, and every day.

The United Nations’ Sustainable Development Goal clearly states the goal of "water for all by 2030". However, access to safe and clean water sources and sanitisation is still a work in progress for numerous countries worldwide.

From Iran’s water crisis, to Senegal’s sinking villages, China’s underwater hunt and a … [more…]

Green water-purification system works without heavy metals or corrosive chemicals

Green water-purification system works without heavy metals or corrosive chemicals

This photo shows a concentrator where samples were placed. Credit: Dan Wang

Scientists at the Institute of Process Engineering (IPE) at the Chinese Academy of Sciences in Beijing and Yangzhou University (YZU) in Jiangsu have developed an effective and energy-efficient technique for purifying water by using graphitic carbon nitride sheets.

Their prototype, presented February 7 in the journal Chem, purified pathogen-rich water in 30 min, killing over 99.9999% of … [more…]

Global coal industry using as much water as a billion people each year

map: coal-fired power plants and regions of water scarcity in the USA

We already know that coal-fired power plants are bad for the planet, but that’s usually because we are just thinking about the enormous amounts of carbon dioxide emissions they contribute to our atmosphere. A new Greenpeace report entitled The Great Water Grab sheds light on another terrifying aspect of the coal industry – its astronomical water consumption. The report suggests that the global coal industry uses the same amount of … [more…]

Sunscreen chemicals in water may harm fish embryos

photo: sunset over the ocean. Sunscreen chemicals in water may harm fish embryos

Photo: CC0 Public Domain

A painful sunburn can ruin a vacation, and too much sun can also lead to more serious problems like premature skin aging and melanoma. Therefore, manufacturers have added ultraviolet (UV) filters to many personal care products, including sunscreens, moisturizers and makeup.

Scientists have detected these substances in the environment, but most studies have concluded that individual sunscreen chemicals are not present at high-enough levels to harm … [more…]