Scientists warn of climate change intensifying heat waves

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Scientists are warning that climate change is already compounding the extreme heat battering the Pacific Northwest and will do so even more as the planet continues to warm.

Oregon and Washington saw record-setting triple-digit temperatures this week, bringing many aspects of daily life to a grinding halt.

In Portland, a mass transit company canceled service because of melting cables, while highway pavement in the Seattle area buckled in the extreme heat. Continue reading.