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UN University-led experts have debuted a new tool that generates instant, accurate street-level resolution maps of floods worldwide since 1985. The
It was created by the UN Institute for Water, Environment and Health (UNU-INWEH) in Hamilton, Canada, with support from Google, MapBox and other partners.
Fire plays a dominant role in deforestation, particularly in the tropics, but the relative extent of transformations and influence of fire frequency on eventual forest loss remain unclear. Here, we analyze the frequency of fire and its influence on postfire forest trajectories between 2001 and 2018. We account for ~1.1% of Latin American forests burnt in 2002–2003 (8,465,850 ha). Although 40.1% of forests (3,393,250 ha) burned only once, by 2018, ~48% of the evergreen forests converted to other, primarily grass-dominated uses. While greater fire frequency yielded more transformation, our res...
Like other African countries, Niger is exposed to floods and other natural hazards. In the fall of the year 2020, the Niger river triggered some of the worst floods in many decades affecting Niamey, other cities, and rural communities located on the shores of the river.
Researchers from across the Faculty of Science and Engineering at Queen Mary are helping to improve global understanding of environmental challenges, restore ecosystems and support sustainable development.