
Geoffrey Kamadi
Journalist at Freelance
The 2020 AAAS Kavli Science Journalism Award Winner. Pulitzer Center. The Guardian. Thomson Reuters Foundation.
Articles
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2 weeks ago |
cen.acs.org | Geoffrey Kamadi
To fight off the tomato pinworm, silicon might just be the answer. The tomato pinworm ( Phthorimaea absoluta) is an invasive pest species that originates in South America and is now found in Europe, Asia, and Africa. The pest can cause 100% tomato crop failure, causing $1-10 billion annual losses in Africa.
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Dec 11, 2024 |
cen.acs.org | Geoffrey Kamadi
Spoilage of perishable farm produce is a major challenge facing smallholder farmers in rural, low-income settings in Africa, where grid electricity is inaccessible, unreliable, or nonexistent. That's why a team called FruiFresh, made up of students at the Rwanda Institute for Conservation Agriculture, the University of Rwanda, and the Institute of Applied Sciences-Ruhengeri, has developed a cold-room facility that helps solve the longstanding problem of postharvest losses in the region.
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Oct 17, 2024 |
technologyreview.jp | Geoffrey Kamadi
クリーンなエネルギー源へのアクセスは、世界中の低所得社会にとって常に課題となっている。初期費用の高さがその理由の1つだ。世界の少なくとも数億人が、送電網にアクセスできない、もしくは不安定な状況に置かれている。そのため多くの人々が、健康と環境の両方に害を及ぼす灯油やディーゼルなどの低品質な燃料に収入の10%ほどを費やすざるを得ない。 この課題に対する1つの解決策が、家庭でクリーン・エネルギーを使うにあたって、その使用量に応じた手頃な料金を少額ずつ支払えるようにすることだ。 これが、サン・キング(Sun King)が実現した仕組みである。同社は、サブサハラ・アフリカ地域とアジアの地域社会に太陽光パネル、携帯型の太陽光電池式ランプ、電池(バッテリー)、そして照明やデバイス用の家庭用電力供給システムを提供。これによって、4000万人ほどの人々に安定した再生可能エネルギー電力を届けている。こうした従量制ビジネスモデルによって、各世帯の1日当たりの電気代は、わずか0.15ドルで済んでいる。 さらに2023年にペイゴー・エナジー(PayGo...
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Oct 1, 2024 |
technologyreview.com | Geoffrey Kamadi
Sun King is helping poor households across Asia and Africa access reliable, clean power and healthier ways of cooking. Accessing clean sources of energy has always been a challenge for low-income communities worldwide, given the high up-front costs.
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Sep 10, 2024 |
science.org | Geoffrey Kamadi
NAIROBI, KENYA—Kenya’s Maasai Mara National Reserve (MMNR) is home to some of the most iconic wildlife on the planet. From July to October, millions of wildebeests, zebras, and other animals migrate to the park from the Serengeti in search of pasture, a massive journey known as the Great Migration. The resulting scene is a spectacle like no other, drawing throngs of tourists to watch a multitude of wildebeests cross the Mara River.
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Cattle may pose little threat to iconic wildlife in Kenya park | Science | AAAS https://t.co/ooFo8QvPIX #MaasaiMaraNationalReserve #PNAS #SerengetiNationalPark

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It was an honour to have been part of the judging panel, which selected the winners. Congratulations to the winners! 2023 AAAS Kavli Science Journalism Award winners named | AAAS Kavli Science Journalism Awards https://t.co/xhE65KqUYq via @AaasKavli