Tag Archives: Africa

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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COVID-19: examining theories for Africa’s low death rates

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Shutterstock Kevin Marsh, University of Oxford and Moses Alobo, African Academy of Sciences As the threat of a COVID-19 pandemic emerged earlier this year, many felt a sense of apprehension about what would happen when it reached Africa. Concerns over the combination of overstretched and underfunded health systems and the existing load of infectious and non-infectious diseases often led to …

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Suspension of US aid to Ethiopia is yet another example of Trump’s disregard for Africa

Workey Tadele, a radio operator, at the Grand Ethiopian Renaissance Dam near Guba in Ethiopia in December 2019. Eduardo Soteras/AFP via Getty Images

Workey Tadele, a radio operator, at the Grand Ethiopian Renaissance Dam near Guba in Ethiopia in December 2019. Eduardo Soteras/AFP via Getty Images Yohannes Gedamu, Georgia Gwinnett College America’s Department of State recently suspended $130 million worth of aid to Ethiopia because of “a lack of progress” on negotiations pertaining to the construction of the Grand Ethiopian Renaissance Dam on …

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Fossil tracks reveal which birds once roamed South Africa’s Cape south coast

These fossil trackways resemble the tracks left by flamingos today, but are bigger. Just above the scale bar one can see (more faintly) the ‘tramline traces’ made by the ancient birds’ stomping action. Charles Helm

These fossil trackways resemble the tracks left by flamingos today, but are bigger. Just above the scale bar one can see (more faintly) the ‘tramline traces’ made by the ancient birds’ stomping action. Charles Helm Charles Helm, Nelson Mandela University If you visit a particular stretch of South Africa’s Cape South coast, about 400km east of Cape Town, you are …

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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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لماذا تؤدي إزالة الغابات إلى زيادة احتمالية تفشِّي الأوبئة؟

يُكثِّف الباحثون جهودهم من أجل الوقوف على طبيعة العلاقة بين التنوع البيولوجي، والأمراض الناشئة، والبحث في كيفية الاستفادة من تلك المعلومات في التنبُّؤ بتفشِّي الأوبئة المستقبلية، وسبل منْع تفشي الأوبئة. جيف توليفسون Nature (2020) doi:10.1038/d41586-020-02341-1 English article يقول الخبراء إنَّ الحدّ من إزالة الغابات (موضَّحة في الصورة، الملتقَطة من غابةٍ مدارية مطيرة بحوض الكونغو) يمكن أن يقلل من احتمال ظهور جوائح …

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The Nile river led to Khartoum’s growth, but now threatens the city

A view of flooded farmland on the riverbank and swelling Blue Nile as its water level rises after heavy rainfall in Khartoum, Sudan Photo by Mahmoud Hjaj/Anadolu Agency via Getty Images

A view of flooded farmland on the riverbank and swelling Blue Nile as its water level rises after heavy rainfall in Khartoum, Sudan Photo by Mahmoud Hjaj/Anadolu Agency via Getty Images Andrea Zerboni, University of Milan Over the past few weeks, floods – following exceptionally heavy rains – have hit Sudan. Many parts of the country have been affected though …

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What can be done to better support women pursuing their PhDs in Africa

Women in a lab. anyaivanova/Shutterstock

Women in a lab. anyaivanova/Shutterstock Anne M. Khisa, PhD, African Population and Health Research Center A Doctor of Philosophy – commonly known as a PhD – is the highest level of academic training. It allows the degree holder to teach the chosen subject at university, conduct research or practise in the specialised area. However, in many African countries like Kenya …

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Why the Child’s Rights Act still doesn’t apply throughout Nigeria

Where children are concerned, all actions must be in their best interests. shutterstock

Where children are concerned, all actions must be in their best interests. shutterstock Usang Maria Assim, University of the Western Cape Nigeria adopted the Child’s Rights Act in 2003, giving legal consent to both the United Nations Convention on the Rights of the Child and the African Charter on the Rights and Welfare of the Child. The country’s constitution states …

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