Tag Archives: climate change

Climate research is critical in Africa: how to make it more visible

Biometeorology is the study of the role of climate on plants, animals and humans. Getty Images

Biometeorology is the study of the role of climate on plants, animals and humans. Getty Images Jennifer Fitchett, University of the Witwatersrand Weather and climate have far-reaching effects on every part of life. The timing of seasons, range of daily and seasonal temperatures, the amount of rainfall – these all influence things as diverse as food production, disease prevalence and …

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Explainer: what’s behind the locust swarms damaging crops in southern Africa

The most effective means of controlling locusts is to prevent the swarms from forming. shutterstock

The most effective means of controlling locusts is to prevent the swarms from forming. shutterstock Frances Duncan, University of the Witwatersrand Seven million people in Botswana, Namibia, Zambia and Zimbabwe have been affected by a migratory locust outbreak currently ravaging crops and pastures across southern Africa. Professor Frances Duncan, whose research work involves investigating the survival strategies of brown locusts, …

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Now’s the time to share ideas about the future for people and nature

What does a more desirable future for people and the planet look like. Shutterstock

What does a more desirable future for people and the planet look like. Shutterstock Laura Pereira, Stellenbosch University Nature is under pressure. Ecosystems are being degraded rapidly and a billion species are at risk of extinction. This is the shocking picture set out by an independent intergovernmental body, the Inter-governmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES). The platform …

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تصاعُد الأخطار الناجمة عن ذوبان الكُتل الجليدية في البُحيرات

Nature (2020) doi:10.1038/d41586-020-02560-6 English article Getty مع استمرار ذوبان كُتل الجليد، بفعل ارتفاع درجات الحرارة عالميًّا، تتدفَّق المياه الناتجة إلى البحيرات التي تقع على مقربة منها، وتبتلعُها ابتلاعًا. وتشير أحدث تقديرات العلماء إلى أن حجم المياه التي تحتويها البحيرات الجليدية على سطح الأرض قد زاد بحوالي 50% على مدار العقود الثلاثة الماضية. فقد أقدَمَ دان شوجار -الباحث بجامعة كالجاري في بكندا- …

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Emissions inequality: there is a gulf between global rich and poor

jag_cz / shutterstock

jag_cz / shutterstock Nicholas Beuret, University of Essex American congresswoman Alexandria Ocasio-Cortez recently shook up environmental politics by releasing a broad outline of a Green New Deal – a plan to make the US a carbon-neutral economy in the next ten years, while reducing both poverty and inequality. Lauded by many as a radical and necessary step, president Trump responded …

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Malaria: new map shows which areas will be at risk because of global warming

mycteria / shutterstock

mycteria / shutterstock Mark Smith, University of Leeds and Chris Thomas, University of Lincoln Of an estimated 228 million cases of malaria worldwide each year, around 93% are in Africa. This proportion is more or less the same for the 405,000 malaria deaths globally. That’s why there are huge efforts underway to provide detailed maps of current malaria cases in …

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Coral reefs: climate change and pesticides could conspire to crash fish populations

Jose Angel Astor Rocha/Shutterstock

Jose Angel Astor Rocha/Shutterstock William Feeney, Griffith University and Marc Besson, École pratique des hautes études (EPHE) Australia barely had time to recover from record breaking fires at the start of 2020 before the Great Barrier Reef experienced its third mass coral bleaching event in the past five years. Only five of these have occurred since records began in the …

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