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Ruohao Zhang

Ruohao Zhang

The Conversation

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Coal plants emitted more pollution during the last government shutdown, while regulators were furloughed

Coal plants emitted more pollution during the last government shutdown, while regulators were furloughed

As soon as the 2018-2019 shutdown began, coal-fired power plants started emitting more particulate matter pollution. And when the inspections resumed,...

23.10.2025 3

The Conversation

Ruohao Zhang

You can be exposed to PFAS through food, water, even swimming in lakes – new maps show how risk from ‘forever chemicals’ varies

PFAS exposure can vary significantly from one community to the next. A close-up view of three Great Lakes states offers some insights for everyone.

04.09.2025 2

The Conversation

Ruohao Zhang