Emily Chung

Science, climate, environment reporter

Emily Chung covers science, the environment and climate for CBC News. She has previously worked as a digital journalist for CBC Ottawa and as an occasional producer at CBC's Quirks & Quarks. She has a PhD in chemistry from the University of British Columbia. In 2019, she was part of the team that won a Digital Publishing Award for best newsletter for "What on Earth." You can email story ideas to Emily.Chung@cbc.ca.

Latest from Emily Chung

Ask CBC News

Should I get an induction stove if my province has a dirty power grid? Your questions answered

Our recent story about researchers ditching their gas stoves after measuring the indoor air pollution they produce prompted some questions from readers. What about gas fireplaces? Or propane stoves? How energy efficient are induction stoves versus gas? Here are the answers to some of those questions.

Hauling freight trains with electric locomotives is now starting to happen

Canada’s railway giants, CN and CP, are testing battery and hydrogen locomotives in a move toward electric, zero-emissions freight rail. Here’s a look at why they’re electrifying and the technologies they’re testing.

After seeing how gas stoves pollute homes, these researchers are ditching theirs

Gas stoves produce more indoor air pollutants than even some scientists expected. After taking measurements, many of those researchers are installing electric stoves — and warning the public about the health risks of cooking with gas.

Invasive earthworms are spreading through Canadian forests, and that's bad for bugs

In many parts of northern North America, there have been no earthworms since before the last ice age. Now, with help from humans, invasive earthworms are colonizing new areas. And in areas of a forest with more invasive earthworms, there are fewer insects, a new study has found.
CBC Explains

How much are taxpayers really subsidizing Canada's fossil fuel industry?

We’ve heard that Canada’s fossil fuel industry gets billions in subsidies, and that it’s making it harder for us to reach our climate goals. But what kind of funding are taxpayers actually giving the fossil fuel industry in different parts of the country? And what impact does it actually have? Here’s a closer look.

Renewable natural gas could help slow climate change, but by how much?

Renewable natural gas sounds like a great climate change solution, and it’s one that your local gas company may have offered you. But what is it really? Here’s a closer look.

Why oil and gas heating bans for new homes are a growing trend

Vancouver and Quebec recently banned certain kinds of fossil fuel-based heating in new home construction. Similar bans are happening around the world, from Norway to New York City. But why — and why now? What impact will they have? Here's a closer look.
CBC Explains

Why testing sewage for COVID-19 could be more useful than ever

The COVID-19 testing system has been overwhelmed by the Omicron variant, making it impossible to know how many people are infected. Testing for the virus in wastewater could help plug the gap. But how does it work? Where is it being used? How can it inform public health policies? Here's a closer look.

Scientists can detect animal species by vacuuming their DNA out of the air

Scientists have found a way to identify animals that have passed by and are already gone or are hiding too well to find — by sucking their DNA fingerprints out of the air.

10 weather stories that made 2021 a year like no other

Environment Canada has released its Top 10 weather stories for 2021 — a year that its senior climatologist Dave Phillips calls the "most destructive, the most expensive and the deadliest year for weather in Canadian history." Here's what made the list.

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