Articles on Pollution

Displaying 1 - 20 of 259 articles

The amount of cadmium content in cocoa beans depends on the location and soil conditions where the chocolate plant is grown and type of chocolate plant itself. iravgustin/Shutterstock

Chocolate contains cadmium that can increase cancer risk

Chocolate plants can absorb cadmium through their roots and store it in chocolate leaves and seeds. Cadmium levels in processed chocolate depending on the production process and the producers.
Industrial activities like mining, fossil fuel combustion, and cement production release mercury into the environment. Shutterstock

Plants safely store toxic mercury. Bushfires and climate change bring it back into our environment

Plants can store mercury and keep it from contaminating waterways, air and soils. Unfortunately, that mercury is released when plants burn.
Water purification at a modern urban wastewater treatment plant involves removing undesirable chemicals, suspended solids and gases from contaminated water. arhendrix/Shutterstock.com

Microwaving sewage waste may make it safe to use as fertilizer on crops

The solids from wastewater plants are usually dumped into landfills because they are contaminated with heavy metals. Now there is a way to remove the metals so the waste can be used as fertilizer.
Air, water, land and wildlife are tainted with thousands of chemicals that we cannot see, smell or touch — and may not be considered a threat to wildlife. (Shutterstock)

Wildlife are exposed to more pollution than previously thought

Scientists have a new approach to understanding how pollution threatens species at risk in Canada.
Drift ice forming in the Baltic Sea, where microplastic concentrations are at levels similar to those in the Arctic. The incorporation of microplastics into sea ice affects how well the ice absorbs or reflects solar energy. Shutterstock

Microplastics may affect how Arctic sea ice forms and melts

Levels of microplastics in the ocean are rising. More study is needed to figure out how these microplastics affect the qualities and properties of sea ice, and what the potential impact may be.

Top contributors

More