By Alec Luhn 24 December 2023 (Scientific American) – It was a cloudy July afternoon in Alaska’s Kobuk Valley National Park, part of the biggest stretch of protected wilderness in the U.S. We were 95 kilometers (60 miles) from the nearest village and 400 kilometers from the road system. Nature doesn’t get any more unspoiled. […]
By David Stanway 11 July 2023 (Reuters) – Sediment deposited at Crawford Lake, a small but deep body of water in Canada’s Ontario province, provides unmistakable evidence that Earth entered a new human-driven geological chapter – the Anthropocene epoch – some seven decades ago, a team of scientists said on Tuesday. The members of the […]
Cambridge, Md. (June 10, 2010) – Acidity is increasing in some regions of the Chesapeake Bay even faster than is occurring in the open ocean, where it is now recognized that increased levels of atmospheric carbon dioxide dissolve in the seawater thereby making it more acidic. These more acidic conditions in key parts of Chesapeake […]
May 4, 2010 – 4:50PM (AAP) Work has begun on planting more than 1 million native seedlings in the exposed beds of South Australia’s lower lakes. Federal Water Minister Penny Wong and South Australian Environment Minister Paul Caica said the hand planting would vegetate more than 2300 hectares of exposed lake beds across Lake Alexandrina […]
By BEN CUBBY, ENVIRONMENT EDITORApril 20, 2010 THE NSW government has tightened the pollution licence of a coal-fired power plant near Lithgow that is releasing toxic metals into a river that feeds Sydney’s drinking water supply. Delta Electricity, the owner of Wallerawang power plant, must now monitor heavy metals and pollutants such as arsenic flowing […]
This graph shows an overall decrease in the rate of calcification in Porites corals on the Great Barrier Reef since 1900. Since 1980, there has been a dramatic decrease in the calcification rate, which has been attributed to increasing acidification and increasing sea temperature stress. The light blue bands indicate 95 per cent confidence intervals […]
By Bob Norberg, THE PRESS DEMOCRAT The danger from increasing levels of acid in the ocean, which could devastate California’s shellfish industry, is under investigation by Bodega Bay scientists. It is painstaking work that requires the team to wade through knee-deep mud at Tomales Bay to collect native Olympic oysters and then raise their […]
Destroyed by rising carbon levels, acidity, pollution, algae, bleaching and El Niño, coral reefs require a dramatic change in our carbon policy to have any chance of survival, report warns By David Adam Animal, vegetable and mineral, a pristine tropical coral reef is one of the natural wonders of the world. Bathed in clear, warm […]
By Rob Taylor CANBERRA (Reuters) – Australia’s Great Barrier Reef, the world’s largest living organism, is under grave threat from climate warming and coastal development, and its prospects of survival are “poor,” a major new report found on Wednesday. While the World Heritage-protected site, which sprawls for more than 345,000 square km (133,000 sq miles) […]
Increasing levels of acidity in oceans could trigger a mass extinction of sea life, a leading scientist warns. By Roger Harrabin, Environment analyst, BBC News Carbon dioxide emissions from human activities are acidifying the oceans and threaten a mass extinction of sea life, a top ocean scientist warns. Dr Carol Turley from Plymouth Marine Laboratory […]