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The Utah Air Quality Board unanimously approved a plan to control air pollution in Utah's National Parks, but the National Parks Service and conservationists contend the plan doesn't go far enough.

On Thursday at 12:15 p.m., Utah Division of Air Quality director Bryce Bird, Air Quality Board member Kerry Kelly, Cory MacNulty of the National Parks Conservation Association and Tribune environment editor Rebecca Walsh join Jennifer Napier-Pearce to discuss the Regional Haze plan and what the EPA requires.

Watch this online video chat at sltrib.com. You can also join the discussion by sending questions and comments to the hashtag #TribTalk on Twitter and Google+ or texting 801-609-8059. Ai

Air pollution in national parks

O 12:15 p.m. • The Utah Air Quality Board OK'd a plan to control air pollution in Utah's national parks, but the National Park Service and conservationists says it doesn't go far enough. Utah Division of Air Quality Director Bryce Bird, Air Quality Board member Kerry Kelly, Cory MacNulty of the National Parks Conservation Association and Tribune environment editor Rebecca Walsh join Jennifer Napier-Pearce to discuss the regional haze plan. Watch the video chat at sltrib.com. Join in by sending questions to #TribTalk on Twitter and Google+ or by texting 801-609-8059. › sltrib.com