Articles on Waste management

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Situated on a plateau and surrounded by mountains, Mexico City – seen here in a haze on May 20, 2018 – is a ‘bowl’ that traps smog and dust. AP Photo/Marco Ugarte

Mexico City buried its rivers to prevent disease and unwittingly created a dry, polluted city where COVID-19 now thrives

The Aztecs had a shining city on a lake, with canals, causeways and aqueducts – until the Spanish came. Mexico City is still suffering the consequences of their bad public health decisions.
A discarded medical glove in Jersey City, N.J., April 27, 2020. Arturo Holmes/Getty Images

COVID-19 is laying waste to many US recycling programs

The COVID-019 pandemic has boosted use of disposable packaging and personal protective equipment, at the same time that many recycling programs are facing budget cuts. The upshot: More plastic trash.
Melbourne is one Australian city that’s moving to improve its waste management and reduce its reliance on trucks to collect waste. TK Kurikawa/Shutterstock

As cities grow, the Internet of Things can help us get on top of the waste crisis

Cities around the world are struggling to manage their mountains of waste. We can use the Internet of Things for smart waste systems that collect, sort, reuse and recycle most of what is thrown out.
Building construction and demolition create enormous amounts of waste and much of it goes into landfill. Sytilin Pavel/Shutterstock

We create 20m tons of construction industry waste each year. Here’s how to stop it going to landfill

China has put the onus back on Australia to take responsibility for our waste, and Germany has shown us the way with extended producer responsibility for construction and demolition waste.
On March 7, 2019, demonstrators gathered outside the National Assembly in Paris. The sign above reads “Deputies, please save the climate”. The one in front reads “Fossilise the future?” Bertrand Guay/AFP

France and Britain in a race for carbon neutrality by 2050

By enacting a legislative framework to achieve carbon neutrality, France and the United Kingdom are making a difference in the fight against climate change.
About two-thirds of Australia’s strawberries are grown on the fringes of Melbourne and Brisbane. Xavier La Canna/AAP

To protect fresh food supplies, here are the key steps to secure city foodbowls

City fringe foodbowls supply much of our fresh produce and can increase climate resilience by making better use of wastewater and organic waste. A new roadmap outlines how to protect these foodbowls.
Conveyors carry mixed plastic into a device that will shred recycle them at a plastics recycling plant in Vernon, California. AP Photo/Reed Saxon,File

The plastic waste crisis is an opportunity for the US to get serious about recycling at home

Since China stopped importing 'foreign garbage' in March 2018, scrap – especially plastic – has built up in the US. Will this shock trigger long-overdue investments in plastic recycling here?
Sydney’s experience suggests that having separate bins for paper and bottles leads to better recycling. AAP Image/Tracy Nearmy

A crisis too big to waste: China’s recycling ban calls for a long-term rethink in Australia

Both short- and long-term solutions are needed to solve Australia's recycling crisis. State and federal ministers are pursuing some promising avenues, but they need to cast the net much wider.

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