In Cambodia, sand mining is big business — but it comes at a price
Sand mining accounts for 85 percent of all worldwide mineral extraction, a $70 billion industry. In Cambodia, the practice is big business — but it comes with a price. Special correspondent Fred de Sam Lazaro reports.
Microplastics in the Great Lakes: Becoming benthic
From the Great Pacific garbage patch to inland rivers, plastics are among the most widespread contaminants on Earth. Microplastics — particles of plastic smaller than five millimeters — are especially pervasive. As they build up in Earth’s waters, microplastics are also becoming a permanent part of the planet’s sedimentary layers.
Investors make unprecedented commitment to net zero emissions
In one of the boldest actions yet by the world’s largest investors to decarbonize the global economy, an alliance of the world’s largest pension funds and insurers – responsible for directing more than US$ 2.4 trillion in investments – has today committed to carbon-neutral investment portfolios by 2050.
U.N. Climate Summit Sets Stage For New National Emissions Promises
Leaders from nearly 200 countries are attending a special United Nations Summit on climate change today as they face increasing pressure from citizens around the world to cut global greenhouse gas emissions and slow global warming.