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Cover image: (top left) © UNICEF Ethiopia in Flickr made available under https://creativecommons.org/licenses/by-nc-nd/2.0/, (top middle) © David Stanley in Flickr, https://creativecommons.org/licenses/by/2.0/, (top right) Tesfay Alemseged, (bottom left) Trees for the Future in Flickr, https://creativecommons.org/licenses/by/2.0/, (bottom right) White Feather Foundation, https://whitefeatherfoundation.com/projects/charity-water-ethiopia/.
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