Curious about Everything

Category: Air Quality

COP26 serves an important role, but we need to do more to drive down greenhouse gas

The 2021 UN Climate Change Conference (COP26) will fall short.

James Temple, MIT Technology Review »

Six years after nations adopted the landmark Paris climate agreement, countries haven’t committed to, much less enacted, the necessary policies to reduce emissions anywhere near as much as required to achieve the accord’s stated goal: preventing 2 ˚C of global warming this century while striving to limit the increase to 1.5 ˚C. And rich countries are still tens of billions of dollars short of the $100 billion in annual funds they agreed to provide to help developing nations address climate change.

If countries do no more than fulfill the loose pledges they’ve made for 2030 under the agreement, the planet is likely to heat up by around 2.7 ˚C this century, according to the UN Environment Programme’s “emissions gap report,” released earlier this week. If all they do is abide by domestic climate policies already in place, temperature increases could exceed 3 ˚C.

In a 3 ˚C warmer world, coral reefs likely disappear, the ice sheets begin to collapse, hundred-year droughts will occur every few years across vast stretches of the globe, and sea-level rise could force hundreds of millions of people to relocate, according to various studies.

“If the goal is to maintain a safe, livable climate for the majority of the world’s population, the grade is an F-,” says Jessica Green, an associate professor of political science at the University of Toronto who focuses on climate governance. “We’re not there; we’re not even close.”

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New York regulator blocks two new natural gas power plants

Natural gas produces 21% of global CO2 emissions.

Tim De Chant , Ars Technica »

The Department of Environmental Conservation denied permits for two proposed natural gas power plants, saying they were incompatible with the state’s climate law, which calls for an end to fossil fuel-generated electricity by 2040.

Though the proposed plants would be more efficient than those currently in operation, the state agency said the plants would generate “significant” amounts of pollution and that their construction now, less than 20 years from the targeted net-zero emissions date, would be “inconsistent” with what is required by the climate law.

New York’s climate law requires polluters to account for two sources of emissions: from the plants themselves and from the natural gas supply chain. Once the latter was included—figures which in the past were nearly always ignored when determining a power plant’s pollution—the emissions quickly exceeded the DEC’s thresholds, the decisions say.

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Paris is investing €250 million to become one of the most bike-friendly cities in the world

Paris wants to become one of the most bike-friendly cities in Europe.

Euronews »

As of this year, Paris already has more than 1,000km of safe cycle paths including around 52km of “coronapistes” that were temporarily introduced during the pandemic. It now plans to make these permanent and add another 130km of safe paths to encourage people to cycle in the city.

Paris officials are hoping to make it easier to get across the city on a bike by introducing routes that cross the city and go out into the surrounding suburbs. Places where cyclists are put in danger by crossing busy roads and key entry points into the city centre will also be made more secure.

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