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World Air Quality Report 2022 highlights pollution hotspots

Envirotec Magazine

Santiago, Chile: The country hosted eight of the most polluted cities in the Americas in 2022. A nuanced appraisal emerges from the 2022 World Air Quality report – compiled by Swiss air quality technology company IQAir – which includes a dismal picture from Africa and the news that only five countries met the WHO limits for PM2.5:

Pollution 259
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Using planetary forensics to visualize historic drought in the Horn of Africa

Planet Pulse

Authors: Steve Levay and Ryder Kimball Special thanks to: Arjan Geers, Max Borrmann, Tessa Kramer, Robin van der Schalie, and Megan Zaroda Record low rainfall has pushed the Horn of Africa into a disastrous drought that is precipitating a humanitarian crisis. In the Horn of Africa, millimeters could be the distance between life and death.

Africa 131
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Nearly 200 Environmentalists Were Murdered for Their Work in 2022

DeSmogBlog

But this is almost surely an underestimate, according to Laura Furones, lead author of the 2022 report. “We As in past years, Latin America was the deadliest region for environmental activists in 2022, with 9 out of 10 of the documented killings. 60 environmental activists were murdered in Colombia, 31 in Mexico, and 34 in Brazil.

Asia 128
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Revealed: Industry-led West Africa Fishery Protection Measures Marred By ‘Massive Conflicts of Interest’

DeSmogBlog

Flagship initiatives to ensure “responsible sourcing” for the global aquafeed industry in West Africa are being undermined by systemic conflicts of interest, endangering efforts to safeguard critical fish stocks, DeSmog can reveal. In sub-Saharan Africa, the industry’s operations are known to cause pollution, food insecurity and job losses.

Africa 145
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Massive global growth of renewables to 2030 predicted by IEA report

Envirotec Magazine

times its 2022 level by 2030. The growth is not fully in line with the goal set by nearly 200 governments at the COP28 climate change conference in December 2023 to triple the world’s renewable capacity this decade – the report forecasts global capacity will reach 2.7 Renewables are moving faster than national governments can set targets for.

Policy 130
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Atmospheric methane increase during Covid due primarily to wetland flooding

Envirotec Magazine

A new analysis of satellite data appears to find that the record surge in atmospheric methane emissions from 2020 to 2022 was driven by increased inundation and water storage in wetlands, combined with a slight decrease in atmospheric hydroxide (OH). Atmospheric methane emissions are given by their mass in teragrams. million U.S.

Methane 147
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A secret weapon in agriculture’s climate fight: Ants

Grist

In a body of recently published and forthcoming research, Jensen examined the antimicrobial effects of wood ants, a European field ant known for building dome-shaped nests in fields and open woodlands, and weaver ants, which live in ball-shaped nests within tropical tree canopies across Asia, Africa, and Australia.