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Ozone

Science

Study: Urban air quality improved less during Covid-19 lockdown than previously thought

Researchers reveal NO2 emission reductions during first lockdown were lower than previously thought, amidst warnings ozone levels actually increased

clock 13 January 2021 • 2 min read

Legislation

Brexit: Government draws up 'no-deal' pollution monitoring rules

UK businesses which produce or trade products containing harmful gases will need to register online in event of no-deal

clock 12 February 2019 • 2 min read

Climate change

Montreal Protocol: UN confirms ozone layer is healing

Latest assessment of the state of the ozone layer suggests it is on track to be fully repaired by the 2060s

clock 06 November 2018 • 3 min read

Risk

Ozone hole recovery threatened by rise of paint stripper chemical

The restoration of the ozone hole, which blocks harmful radiation, will be delayed by decades if fast-rising emissions of dichloromethane are not curbed

clock 28 June 2017 • 3 min read

Climate change

Signs of 'healing' in ozone layer after years of degradation

New research indicates ozone hole is slowly on the mend

clock 01 July 2016 • 2 min read

Legislation

EPA tightens ozone limits in latest US smog crackdown

New standards will lower the legal limit of the smog-causing pollutant from 75ppb to 70ppb

clock 05 October 2015 •

Policy

White House takes fresh steps to crack down on HFCs

Industry and EPA partnership commits to deliver HFC alternatives

clock 17 September 2014 •

Science

NASA warns over mystery of ozone depleting compound

Research identifies unexpectedly high levels of carbon tetrachloride in the atmosphere more than 25 years after Montreal Protocol

clock 21 August 2014 •

Climate change

Four new gases found to be destroying ozone layer

Thousands of tonnes of CFCs still being released into atmosphere, as NASA warns scientists that they are underestimating warming impact of CO2

clock 10 March 2014 •

Climate change

US and China agree historic HFC climate change deal

Presidents Barack Obama and Xi Jinping end summit with deal to cooperate on limiting the production and consumption of HFC gases

clock 10 June 2013 •
12
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