Main menu For students For teachers Explore our subjects Student events & courses

Explore

More for students
Sign in

Teaching Economics

In the News

Externalities - No country met WHO air quality standards in 2021

Graham Watson

24th March 2022

Share this content:

A salutory report from the World Health Organisation: not a single country meet its air quality standards, with only 3.4% of cities surveyed met the standard, and 93 cities saw hazardous particles that were 10 times above the recommended level.

Interestingly, China's relative position worsened - dropping from 14th to 22nd on the WHO list.

Externalities - No country met WHO air quality standards in 2021
Share this content:

Graham Watson

Graham Watson has taught Economics for over twenty years. He contributes to tutor2u, reads voraciously and is interested in all aspects of Teaching and Learning.

You might also like

In the News Teaching Activity – How much would it cost to reduce ocean plastic waste? (June 2026)

22nd June 2026

Micro Case Study: Fast Fashion

Topical case studies

Will the Junk Food Ad Ban Actually Work? I Economics in the News

6th January 2026

In the News Teaching Activity – Is overfishing endangering UK favourite dinner of fish and chips? (Oct 2025)

13th October 2025

In the News Teaching Activity – Are China’s climate targets ambitious enough? (Sept 2025)

29th September 2025

In the News Teaching Activity – can supermarkets be ‘persuaded’ by government to sell healthier food to cut pressure on the NHS? (July 2025)

10th July 2025

In the News Teaching Activity – what are the benefits and costs of salmon fishing in Chile? (June 2025)

5th June 2025

Micro & Macro Effects of a Carbon Tax | A-Level Economics Quick Revision

27th May 2025