Allyson Chiu, Washington Post

Allyson Chiu

Washington Post

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Past:
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  • Yahoo
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  • Daily Northwestern

Past articles by Allyson:

Are Tom’s of Maine and Colgate toothpaste tubes really recyclable?

“There’s a big difference between can you theoretically recycle it in a laboratory versus does it get recycled in real life,” one expert said. → Read More

Shade, fog and probiotics: The creative ways scientists are trying to protect corals

Technical strategies to protect corals from bleaching have limitations and are only one part of the overall solution to saving imperiled reefs, experts say. → Read More

Could whacking some trees cut fire risk and help Maui in other ways?

While arborists warn about excessive felling of trees, Hawaii is thick with non-native species that could be thinned to restore the land. → Read More

The ‘no mow’ movement could transform our lawns

“No mow” initiatives are becoming a popular springtime effort to help support bees, butterflies and other pollinators. → Read More

New tech could one day scrub ‘forever chemicals’ from your tap water

While there are already developed technologies to remove PFAS from water, experts say these existing approaches have several major limitations. → Read More

Some E-bike batteries can explode. Here’s how to stay safe.

Batteries from reputable manufacturers that have undergone testing and certifications are widely considered safe. But problems may start to arise when batteries are damaged, modified or shoddily made. → Read More

How California is using recent floods to prepare for future drought

California water regulators have approved a plan to divert floodwaters to replenish critical groundwater stores, a process called “managed aquifer recharge." → Read More

Worried about having a gas stove? Here’s how to limit risks.

Using other kitchen appliances, improving ventilation and experimenting with induction could help curb your exposure to pollutants. → Read More

‘Vegan,’ ‘sustainable’: How to spot misleading fashion claims

Virtuous proclamations and campaigns from clothing brands can often amount to greenwashing, or in some cases, “clearwashing,” where the information doesn’t tell consumers much. → Read More

Single-use coffee pods have surprising environmental benefits over other brewing methods

A new study of coffee consumption found that using pods can be more environmentally friendly than brewing traditional filter coffee. → Read More

How to bust idlers, bike lane blockers and water wasters

You can do your part to enforce environmental laws that target idling vehicles, illegal dumping, water waste and more. Here's what you need to know. → Read More

What really happens to your clothes after you donate them

How much of your donated clothing finds a new home or helps someone in need? Far less than you probably might think, experts say. → Read More

You’re not going to stop shopping for new clothes. Here’s what to do instead.

For an Earth-friendly closet, how you shop — finding ways to reduce unnecessary purchases of new items, thinking about how you might wear what you buy and looking for clothes that will last — matters. → Read More

Why you should almost always wash your clothes on cold

Laundry can be the most significant thing that you do when it comes to reducing your clothes' environmental impact, experts say. → Read More

Are real or artificial Christmas trees better for the environment?

Should you buy a real Christmas tree or an artificial one? Some experts say a real tree is a more sustainable choice for the environment. → Read More

Does the film around detergent pods really biodegrade? A debate is raging.

Popular laundry and dishwashing pods are often encased in a film made of polyvinyl alcohol, also known as PVA or PVOH, which critics say is "a synthetic petroleum-based plastic." → Read More

EPA to further slash emissions from climate super-pollutants

The proposal comes about a month after the Senate voted to ratify a global treaty that calls for gradually reducing the use and production of the chemicals. → Read More

How you can make more socially conscious Halloween candy choices

Chocolate, a fixture of Halloween, can have serious environmental, climate and social impacts. → Read More

Why many homes and buildings in this Florida city still stand, even after Ian

Punta Gorda rebuilt under stricter state codes after Hurricane Charley devastated the community in 2004. → Read More

He’s worked to boost U.S. climate resilience. Amid Ian, here’s how he thinks we’re doing.

For the past two years, White House climate official David Hayes's work has focused on helping the country cope with climate impacts and become more resilient. → Read More