Browsing: Carbon Dioxide

Environmental News david-suzuki-1
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Oil and plastic are choking the planet

People who deny that humans are wreaking havoc on the planet’s life-support systems astound me. When confronted with the obvious damage we’re doing to the biosphere — from climate change to water and air pollution to swirling plastic patches in the oceans — some dismiss the reality or employ logical fallacies to discredit the messengers.

Environmental News david-suzuki
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Carbon dioxide: Pollutant or plant food?

Life evolved to live within limits. It’s a delicate balance. Humans need oxygen, but too much can kill us. Plants need nitrogen, but excess nitrogen harms them, and pollutes rivers, lakes and oceans. Ecosystems are complex. Our health and survival depend on intricate interactions that ensure we get the right amounts of clean air, water, food from productive soils and energy from the sun.