Reforestation success on Isle of Man

- Breakthrough drug which is 100% effective at preventing HIV has begun rolling out in Africa:
https://www.dw.com/en/zimbabwe-takes-a-big-shot-toward-an-hiv-free-future/video-76162621

- Croatia declared landmine free after decades of demining efforts:
https://www.goodnewsnetwork.org/croatia-declared-landmine-free-after-more-than-2-decades-of-demining-efforts/

- River Otters make a "remarkable comeback" in the Great Lakes:
https://www.rewildingmag.com/the-river-otters-remarkable-comeback/

- The UK's first geothermal power plant has begun heating over 10,000 homes using the heat of the Earth
https://www.goodnewsnetwork.org/uks-first-geothermal-power-plant-begins-using-underground-heat-to-power-10k-homes/

- The Tortoiseshell Butterfly has recolonised Britain, decades after dying out there in the 1960s
https://www.goodnewsnetwork.org/big-brown-beautiful-butterfly-recolonizes-england-decades-after-elm-disease-had-eliminated-it/

- Naturally occurring chemicals found in cannabis have been shown to reduce the risk of potentially deadly fatty liver disease:
https://www.goodnewsnetwork.org/cannabis-compounds-can-cut-cholesterol-and-lower-risk-of-fatty-liver-disease/

- 158 endangered giant tortoises have been released on Galapagos Island, where they have been extinct for nearly 200 years:
https://www.goodnewsnetwork.org/158-giant-endangered-tortoises-released-on-galapagos-island-for-first-time-in-180-years/

- New immunotherapy shows "stunning" results in treating prostate cancer:
https://www.theguardian.com/society/2026/feb/28/researchers-praise-stunning-results-of-new-prostate-cancer-treatment?CMP%3Dshare_btn_url