Although it has been considerably less studied than other environmental problems, salinization presents major challenges for biodiversity in freshwater and coastal areas.
Exposed lakebed at the Salton Sea on Dec. 29, 2022.
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Fifty years ago, the Salton Sea was a draw for boaters and fishermen; today it’s an ecological time bomb. Two water experts who served on a state review panel describe its proposed rescue plan.
A new study questions whether current global salt limits are too low. But don’t reach for the salt just yet – the guidelines are unlikely to change any time soon.
Patients on dialysis struggle to follow strict diets.
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De-icing salts help us get around in winter, but they corrode cars, crack roads and contaminate rivers and lakes. Scientists are working to develop better options by imitating natural antifreezes.
Everyone knows it’s hard to stop eating potato chips or chocolate chip cookies. New research shows why: Certain combinations of fat, sodium, sugar or carbohydrates make them irresistible.
One slice is never enough.
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Ultra-processed products have little or no intact ‘food’ remaining in them. And much-praised industry led reformulation is doing nothing effective about this.
Of Australia’s capital cities, Perth has the saltiest tap water, while Melbourne, Hobart, Darwin and Canberra have the least salty. And while all are within guidelines, the variation is striking.