Articles on Charcoal

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Free electric pressure cookers helped families in Goma, DRC to save money. Courtesy Sebastien Desbureaux

Mini‑grids can supply electricity, but what about demand? A private DRC project shows how it can work

In eastern DRC, a hydropower mini-grid shows how access to electricity happens through public-private partnerships and community programmes.
In Nigeria, local delicacies such as this roasted goat meat taste better when cooked over a fire, prompting even people who can afford renewable energy to use firewood for cooking. David Jobs/Getty Images

Nigerian households use a range of energy, from wood to solar – green energy planning must account for this

In Nigeria, the national grid is so unreliable that individual homes procure much of their own electricity. They’re pivotal in the country’s transitions to renewable energy and should be subsidised.
Generators should not be used in confined and poorly ventilated spaces. Shutterstock

Carbon monoxide: what is it and why is it deadly?

The early symptoms of carbon monoxide poisoning include headaches or dizziness, breathlessness, nausea, tiredness, chest and stomach pains and visual problems.
Today the shoreline of Lake Malawi is open, not forested the way it was before ancient humans started modifying the landscape. Jessica Thompson

Early humans used fire to permanently change the landscape tens of thousands of years ago in Stone Age Africa

Combining evidence from archaeology, geochronology and paleoenvironmental science, researchers identified how ancient humans by Lake Malawi were the first to substantially modify their environment.

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