Articles on Carbon dioxide

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AAP Image/Mick Tsikas

Carbon emissions will reach 37 billion tonnes in 2018, a record high

For the second year in a row global greenhouse emissions from fossil fuels have risen, putting 2018 on course to set a new record, according to an annual audit from the Global Carbon Project.
The Giant Sea Bass at the California Academy of Sciences. Fishes'sense of smell is highly affected by high level of carbon dioxide in the ocean. Togabi/Wikimedia

Ocean fish are under threat if we don’t curb carbon dioxide emissions

Increase of carbon dioxide in the ocean affects the way fish detect predators, mates or food and could threaten not only individual fish but entire populations.
Over 99 percent of today’s plastics come from oil, but new bio-based options are becoming available. Icons by Vectors Market, Freepik and srip

The surprising way plastics could actually help fight climate change

One big problem with plastics is that they're largely made of petroleum. Sourcing bio-polymers from plants and bacteria has some big benefits – and the technology is starting to take off.
Felicity Burke/The Conversation

Trees are made of human breath

Urban trees are literally made with the help of human breath – they turn the carbon dioxide we breathe out into the building blocks of plant growth. So your local trees have a piece of you inside them.
For a megacity, Tokyo is rich in trees. gillyberlin/flickr

We calculated how much money trees save for your city

In an increasingly urban world, trees can make a major difference. One study found that, for every dollar invested in planting, megacities saw a $2.50 return on their investment.
Researchers studied reef sands at Heron Island, Hawaii, Bermuda and Tetiaroa. In this photo, white areas show the predominance of sand on reefs. Southern Cross University

Our acid oceans will dissolve coral reef sands within decades

Ocean acidification poses an increasing threat to the sediments that form the framework of coral reefs - within around 30 years, these carbonate sands may no longer be able to form.
Children march at the welcoming ceremony of the Conference of the Parties (COP23) in Bonn, Germany. (UNclimatechange/flickr)

How citizens are fighting climate change on the global stage

As delegates meet in Bonn for the latest rounds of climate talks, civil society, NGOs, cities, regional governments and businesses, are stepping up to work together toward climate goals.

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