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Articles on Water

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Health Canada has some of the strongest limits on lead in the world, but they can’t be effective without testing and a plan to replace pipes. (Shutterstock)

Lead-tainted water: How to keep homes, schools, daycares and workplaces safe

An investigation showed that five Canadian cities had lead levels in their water on par with those in Flint, Mich. during its peak period of water contamination.
Some towns in northern NSW are likely to see empty dams next year. AAP Image/Mick Tsikas

80% of household water goes to waste – we need to get it back

Once water is used in washing, cleaning or even sewerage it can be safely and reliably treated. The treated water is then safe to drink – identical to the original water.
Grant Elliott/Unsplash.

Curious Kids: why is the sea salty?

The salt in the sea has built up over billions of years – but it wouldn’t have got there without freshwater rivers and streams.
Research shows that the average Canadian household generates about three kilograms (or almost six pounds) of avoidable food waste per week. (Shutterstock)

Reduce your food waste to save money, boost health and reduce CO2 emissions

The nutritional, financial and environmental cost of an average family’s weekly food waste is shocking. It equates to five adult meals, 143 showers, $18 and 23 kg of CO2.
Visualization of the Tropical Rainfall Measuring Mission satellite in space over a tropical cyclone. NASA

We use satellites to measure water scarcity

Climate change threatens the water supply of nations around the world. But it’s difficult to measure whether a region has sufficient water to satisfy the people who live there. Could satellites help?
Micha Berry of the city of Fresno, Calif., which relies heavily on groundwater for its drinking water supply, repairs a groundwater well pump in 2013. AP Photo/Gosia Wozniacka

Drilling deeper wells is a band-aid solution to US groundwater woes

Millions of Americans rely on groundwater for their lives and livelihoods, but regulation is piecemeal. A new study maps groundwater wells nationwide and finds that they are drilling steadily deeper.

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