Smog

Super smog hits north China city of Harbin; flights cancelled

Visibility shrank to less than half a football field and small-particle pollution soared to a record 40 times higher than an international safety standard in one northern Chinese city as the region...

Smog in China

A woman wearing a face mask walks in heavy smog in Haerbin, northeast China's Heilongjiang province.

A heavy fog has blanketed most of northeastern China and forced schools to suspend classes, close an airport and cause major traffic headaches.

Locally produced petrol blamed for Tehran smog crisis

Saeed Kamali Dehghan RESIDENTS of Tehran are blaming US-led sanctions for unprecedented levels of air pollution that have repeatedly forced the closure of universities and schools in the past month.

Worsening pollution in China stokes calls for coal curbs

China pollution

Air pollution in China, the world's biggest carbon emitter, has reached intolerable levels and the country should aggressively cut its reliance on coal, according to the National Center for Climate...

Beijing 'barely suitable' for life as heavy pollution shrouds China's capital

China's pollution

Pollution in Beijing was stuck at unhealthy levels for the sixth straight day, prompting warnings for people to stay indoors as thick grey smog shrouded the capital a week before the annual meeting...

California in grip of 'worst drought in 500 years'

generic drought

The punishing drought that has swept California is now threatening the state's drinking water supply.

Bushfire smoke sends pollution levels skyward again

smoke

Peter Hannam Sydneysiders can expect another day of high smog levels as smoke from nearby bushfires blankets the city.

Smoke joins fog to make for a turgid Tuesday

Katy Perry

Peter Hannam Sydney's air pollution levels have again soared, this time from a combination of fog and smoke from the on-going bushfires.

NSW weather: November to test fire-fighting resources

Blue Mountains

Peter Hannam November is shaping up to be another unusually warm month, with the heat, a lack of rain and the prospect of more bouts of windy weather likely to keep NSW's fire-fighting resources stretched.

Bushfires make hazy, lazy days of toxic summer

Smoke over Sydney.

Ben Grubb, Peter Hannam Pollution soared four times higher than levels deemed hazardous and hundreds of fire alarms went off, in one case stranding train passengers, as thick haze from bushfires engulfed the city on...

Shanghai residents warned for seventh day about heavy pollution

Smog in China

Shanghai warned children and the elderly to stay indoors for at least a seventh day this month, intensifying pressure on local authorities to control the worst smog since government monitoring began...

China steps up coal capacity even as pollution mounts

Heavy smog continued to hit northern and eastern parts of China on Thursday, disturbing the traffic, worsening air pollution and forcing the closure of schools.

China approved the construction of more than 100 million tonnes of new coal production capacity in 2013 - six times more than a year earlier and equal to 10% of U.S.

Chinese companies found to be in frequent breach of emissions limits

Steel factories and thermal power plants in eastern China frequently exceed national standards, according to a study led by an environmental group in Beijing.

Chinese puzzle: reviving both the economy and the environment

China pollution

As China's economy slows, the new leadership faces the difficult challenge of reviving growth even as an increasing proportion of the population resists any further deterioration of the nation's...

Clouds' role in warming more certain, report shows

Peter Hannam When it comes to global warming, do clouds have a silver lining?

Australia joins international climate action group

The temperature data was 'completely automated to reduce human bias'.

Australia will join the US-led international Climate and Clean Air Coalition to support action to reduce pollutants.

Beijing under cloud as air pollution threat sparks emergency response

Ai Weiwei

Daryl Loo, Feiwen Rong BEIJING ordered government vehicles off the roads as part of an emergency response to ease air pollution that has smothered China's capital for the past three days, while warning the smog will...

Obama serious on climate change, out-going EPA chief says

A new global index shows how investors manage climate change risks.

The departing chief of the US Environmental Protection Agency, Lisa P. Jackson, says she cringes whenever she is asked if President Barack Obama is truly serious about confronting climate change.

The not-so good earth

China pollution

Chinese are learning to say 'no' the status quo as rampant pollution takes its toll.

Now is the hour to go renewable

Solar panel installation solar panels

Peter Hannam The lights go off - but Earth Hour organisers are urging participants to make a bigger switch.