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carbon dioxide

Science 2020-08-12T12:30:00Z

Air circulation can fight coronavirus transmission — or help it spread. Here's how to spot a faulty system.

Air inside a building could carry coronavirus particles if it's not getting filtered or ventilated. Here are signs the air may not be safe.
Life Contributors 2020-02-27T14:40:00Z

Rising CO2 levels are making food less nutritious. It could cause a global malnutrition crisis.

Rising CO2 levels have been shown to reduce rice's nutritional content. This is alarming, considering rice is a staple for around two billion people.
Science 2019-12-21T13:17:00Z

Our ability to complete complex, strategic tasks could drop 50% by 2100, scientists warn. Indoor carbon dioxide is to blame.

Even basic cognitive performance could drop by 25% with higher levels of carbon dioxide. A growing body of research shows how CO2 affects the brain.
Science Contributors 2019-06-06T15:50:20Z

Stanford researchers say we could curb the effects of climate change by turning methane into carbon dioxide

A team at Stanford University has published research suggesting that making more CO2 could actually curb warming — if that CO2 comes from methane.
Science Contributors 2019-05-13T15:33:00Z

The amount of carbon dioxide in the atmosphere just hit its highest level in 3 million years

The concentration of carbon dioxide in the planet's atmosphere is the highest it's been since the dawn of humanity.
Science 2019-01-15T17:10:00Z

A Coca Cola-owned brand will sell sparkling water made with carbon dioxide captured from the atmosphere

Louise Charles, the communications manager at Climeworks, said the sparkling water will hit Swiss stores within the first three months of 2019.
Science 2018-10-27T14:30:00Z

Silicon Valley’s largest accelerator is looking for carbon-sucking technologies — including one that could become ‘the largest infrastructure project ever’

We'll need to suck carbon dioxide out of the air to stop climate change. Silicon Valley accelerator Y Combinator wants startups working on that.
Science 2018-10-24T22:27:00Z


We need to suck carbon dioxide out of the air to avoid the worst consequences of climate change. A new report lays out options for how to do that.
Science Contributors 2018-09-15T16:06:00Z

What the world needs now to fight climate change is more swamps

The world needs more swamps — and bogs, fens, marshes and other types of wetlands. Wetlands are some of the most diverse and productive ecosystems on Earth, irreplaceable tools for slowing the pace of climate change. They are extremely efficient at pulling carbon dioxide out of the atmosphere.
Science Contributors 2018-09-02T14:41:00Z

A new study reveals millions of people will be deficient in 2 key nutrients by 2050

Our daily nutrients will soon become more difficult get from the foods we eat. Increased levels of carbon dioxide in the atmosphere will affect plant growth and suppress the levels of zinc, iron, and protein in food crops we rely on every day. By 2050, millions will be zinc and protein deficient.
Science 2018-06-12T14:22:00Z

The amount of carbon dioxide in the atmosphere just hit its highest level in 800,000 years, and scientists predict deadly consequences

Average monthly levels of CO2 exceeded 411 parts per million in May. Human activity has pushed those gas levels into uncharted territory. There will be deadly consequences.
Science 2018-05-09T14:07:00Z

Earth has crossed a scary threshold for the first time in more than 800,000 years, and it could lead to tens of thousands of deaths

Humans have never had to breathe air with this much carbon dioxide in it. While CO2 doesn't necessarily harm the lungs directly, the ways it changes the climate will have a huge negative effect on human health.
Science 2018-05-08T18:42:00Z

Earth just hit a terrifying milestone for the first time in more than 800,000 years — and it could be bad news for cities

For the first time ever, average monthly levels of CO2 exceeded 410 parts per million (ppm) in April. Cities tend to have even more CO2 than average, which can have negative health effects on people who live there.
Science 2018-04-25T14:38:00Z

5 sobering charts that show how many resources Americans use and waste

The average American uses a record amount of stuff — and generates a record amount of waste in the process.
Science 2017-11-10T15:36:00Z

Office air sometimes contains higher levels of carbon dioxide — here’s what happened when we did a test

A recent study showed how office air with higher-than-average concentrations of carbon dioxide can affect how well people accomplish high-level tasks.
Politics Contributors 2017-10-17T00:03:35Z

Trump's new environmental nominee claims carbon dioxide isn't a pollutant

Like many of President Trump's picks who came before her, Kathleen Hartnett White is an outspoken climate skeptic.
Science 2017-10-05T13:16:11Z

The world's tropical forests now emit more CO2 than all US cars and trucks combined

Tropical forests are now a threat in our fight against climate change.
Science 2017-08-02T15:30:34Z

5 things that make mosquitoes bite you more

Bloodsuckers are picky creatures.
Science 2017-07-31T21:52:00Z

There's a 95% chance the world will warm beyond a crucial tipping point — here's what that means

A 2-degree Celsius rise is often considered the tipping point beyond which climate change becomes catastrophic. It's what the Paris Agreement aims to prevent.
Science Contributors 2017-07-11T18:19:00Z

These 100 companies are to blame for 71% of the world's greenhouse gas emissions

Companies such as Shell and BP are responsible for nearly three-quarters of the planet's greenhouse gases.
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