How do zoos decide which animals to keep?

The World Association of Zoos and Aquariums (WAZA) boasts over 700 million visitors to its zoos each year – including London Zoo (UK), Calgary Zoo (Canada) and hundreds of other institutions around the world. This makes them a huge asset in raising awareness for the environmental threats that animals face, whilst also generating substantial funds […]

Yellowstone: Wolves as ecosystem engineers

The effects of the reintroduction of wolves in Yellowstone National Park, USA, have been widely studied – the prolonged absence and then reintroduction of wolves at the top of the food chain makes this case study a great natural experiment into ecosystem dynamics. This post will collate the interesting bits from the research, and look […]

Extinction Rebellion and the Climate Emergency

(Okay, so technically this does not begin with X for my alphabet…. but it still counts when abbreviated to XR, right?!)… History suggests that governments will only take action if there is intense pressure to do so (Gunningham, 2019). In 2018, the Intergovernmental Panel on Climate Change warned us that we have only 12 years […]

Wangari Maathai: Building change by planting trees

Nobel prize winner, environmentalist, and professor Wangari Maathai created the “Green Belt Movement”, an initiative to prevent environmental degradation linked to commercial deforestation across Kenya. During the 1970s and onwards, colonial and post-colonial pressures forced Kenyan farmers to grow cash crops such as tea and coffee for the foreign market, rather than the traditional crops […]


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Hi, I’m Anna. I started writing for Search for Science to learn more about the scientific topics that interested me, and hopefully interest you too!

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