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    Josia Shigwedha

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    Josia Shigwedha

Environment

400 Results / Page 32 of 45

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Environment

76% of Africa’s energy could come from renewable sources by 2040: here’s how

    By Christiane Zarfl, University of Tübingen and Rebecca Peters, University of Tübingen   Over half of Africa’s people – about 600 million – lack access to even the bare minimum of electricity. The tough question to answer is how access can be extended without adding to global warming by relying on fossil fuels. We – a team from Rwanda and Germany who work in the field of renewable […]

today19 March, 2024

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Africa

New ecoregion proposed for Southern Africa’s threatened ‘sky islands’

  By Ryan Truscott   There is an “inland archipelago” of mountains stretching across southern Malawi and northern Mozambique — a chain of hard granite inselbergs lifted high above the surrounding landscape as it weathered down over millions of years. These “sky islands”, as they’re also known, are topped with high-altitude grasslands and evergreen forests and watered by cool moist winds from the Indian Ocean to the east. A group […]

today18 March, 2024

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Environment

Toilet paper: Environmentally impactful, but alternatives are rolling out

    By Petro Kotzé   Toilet paper is so common in some countries it’s only noticed when it’s not there, as exemplified by the panic buying that prompted shortages when the COVID-19 pandemic began in 2020. Thought to be in use in China since the sixth century, inventor Joseph C. Gayetty patented the first U.S. commercial “medicated paper” in the 1850s. Since then, demand has soared in many places, bolstered by rising population, […]

today18 March, 2024

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Environment

Snakebites: we thought we’d created a winning new antivenom but then it flopped. Why that turned out to be a good thing

A Bothrops asper is prepared for its venom to be milked to use in making antivenom. Jon G. Fuller/VWPics/Universal Images Group   By Christoffer Vinther Sørensen, Technical University of Denmark; Andreas Hougaard Laustsen, Technical University of Denmark; Bruno Lomonte, Universidad de Costa Rica, and Julián Fernández, Universidad de Costa Rica   Snakebites kill over 100,000 people each year, and hundreds of thousands of survivors are left with long-term disabilities such […]

today18 March, 2024

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Environment

Sewage leaks put South Africa’s freshwater at risk: how citizen scientists are helping clean up

  By Jim Taylor, University of KwaZulu-Natal and Mark Graham, University of KwaZulu-Natal   Across South Africa, sewage systems are leaking and contaminating the country’s freshwater. Involving the affected communities can help prevent this pollution hazard, as a group of 15 citizen scientists in KwaZulu-Natal province have shown. Their community water monitoring programme, working with municipal authorities, has managed to prevent raw sewage from flooding into rivers. The young, unemployed […]

today15 March, 2024

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Africa

El Niño threatens Zimbabwe’s corn production

Zimbabwe has warned that farmland planted with corn has shrunk by 12% because of scorching El Niño weather patterns, threatening the nation’s food staple and potentially triggering surging prices and social unrest. We contacted Eddie Cross an economist from Zimbabwe for his comment.

today14 March, 2024

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Environment

Impunity for Cambodia’s exotic pet owners as trade outpaces legislation

    By Gerald Flynn   On the outskirts of the western Cambodian city of Pursat, some 180 kilometers, or 110 miles, north of Phnom Penh, tourists and travelers stream out of minivans parked in the forecourt of a PTT gas station. The Cambodian subsidiary of Thailand’s state-owned oil and gas conglomerate, PTT stands out as one of the country’s more modern gas station chains, sporting retail outlets popular in […]

today12 March, 2024

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Africa

Lagos bans single-use plastics – why I think Nigeria should have taxed them instead

    By Kehinde Allen-Taylor, Technical University Braunschweig   Waste pollution is a huge problem in Nigeria, with serious impacts on the environment. In response, the Lagos state government has banned styrofoam (a type of plastic widely used as food containers) and other single-use products. Following a three-week moratorium for producers and sellers to mop up styrofoam containers, enforcement began on 4 March 2024. In 2019, Nigeria was estimated to […]

today12 March, 2024