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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

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 4

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