concentrations

Road Salt’s Harm to Freshwater Ecosystems Could Ripple Out to All of Us

by

We have a salt problem, and we’re not referring to our diets. As effective as salt is at de-icing our highways in the winter, new research reveals that its extensive use is also causing damage to freshwater ecosystems.   What’s more, saltwater concentrations deemed safe by regulators in the US, Canada, and Europe aren’t doing … Read more

Satellites reveal record high methane concentrations despite reduction pledges

by

Concentrations of greenhouse gases in Earth’s atmosphere continued to rise in 2021 in spite of climate pledges and the economic slowdown brought about by the COVID-19 pandemic, satellite data reveal.  Methane concentrations in particular showed a worrying trend, rising to a new maximum of nearly 1,900 parts per billion (ppb), according to the European Earth … Read more