Representatives of 175 countries voted to start developing a global treaty to reduce plastic waste. Treaties addressing mercury, long-range air pollution and ozone depletion offer some lessons.
Coal-fired power plants are a source of mercury that people can ingest by eating fish.
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The Biden administration is moving to revive mercury limits for coal-fired power plants. A scientist explains mercury’s health risks and the role power plants play.
Wildfire smoke contains a mixture of toxic pollutants that can be harmful to both the lungs and the brain.
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Pollution from more frequent floods and wildfires – exacerbated by the warming climate – is threatening human health and poses particular risks to the brain.
Artist’s impression of BepiColombo during a swing-by of Mercury.
ESA/ATG medialab
Those directly exposed to toxic dust and trauma on and after 9/11 carry with them a generation of chronic health conditions, which are placing them at higher risk during the pandemic and as they age.
Ligeia Mare on Titan.
NASA/JPL-Caltech/ASI/Cornell -
From the tallest cliff in the solar system to its largest impact basin, geological processes on other worlds are very similar to those on our own planet.
New research found power stations in the Latrobe Valley emit around 10 times more mercury than power stations in the Hunter Valley. The stark difference has a lot to do with regulations.
An astronaut aboard the International Space Station (ISS) took this photograph of numerous gold prospecting pits in eastern Peru.
(NASA/SS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit, Johnson Space Center)
NASA satellite images reveal the extent of gold-mining in Peru. This information can be used to shut down illegal mining and prevent environmental destruction and contamination.
Skin-lightening creams for sale in a shop in New Delhi, India, in 2020.
Sajjad Hussain / Getty Images
Fair skin as a beauty ideal underpins the global bleach cream industry – valued at $8.6 billion. There is a nascent backlash against the practice, which endangers health and can perpetuate racism.
Mercury is a nasty toxin that harms humans and ecosystems. The gold and sugar-cane industries have tackled the problem, and it’s time for coal to follow suit.
Most of the world’s electronics are not recycled, posing health and environmental risks.
catscandotcom/Getty Images
Technical advances are reducing the volume of e-waste generated in the US as lighter, more compact products enter the market. But those goods can be harder to reuse and recycle.
Phil / CC BY (https://creativecommons.org/licenses/by/2.0)
Australia has failed to ratify an international treaty to reduce harmful mercury emissions. Mercury exposure can cause kidney damage and brain impairment, especially in children.
Small-scale gold mining operations in developing countries are major sources of toxic mercury pollution, using techniques that haven’t changed much since the California Gold Rush 150 years ago.
The Great Lakes contain reservoirs of legacy contaminants, mostly in their sediments, that are vulnerable to resuspension.
In 2015, NASA’s New Horizons spacecraft looked back toward the sun and captured this near-sunset view of the rugged, icy mountains and flat ice plains extending to Pluto’s horizon.
NASA/JHUAPL/SwRI
Many people are still upset that Pluto was demoted from being a planet. But definitions of various celestial objects are fairly fluid. So whether it is an asteroid or moon or planet is up for debate.
Distinguished Professor of Practice, Trachtenberg School of Public Policy & Public Administration, and Director of the Regulatory Studies Center, George Washington University