Have you ever wondered how big your personal contribution is to the greenhouse gas emissions that cause climate change? Hundreds of residents of Seattle and Edmonds are finding out by taking part in local competitions to see who can reduce their emissions the most over the next two months. The game is called “Taming Bigfoot.”

It’s been nearly 20 years since the federal government listed Puget Sound Chinook salmon as threatened under the Endangered Species Act. The fish inhabit one of the most urbanized watersheds in the region. Local governments have just updated a 10-year recovery plan . One of the new priorities they’re addressing is a possible link between fish mortality and artificial light.

Cooke Aquaculture is applauding members of a state House committee after they took no action on a bill that would have phased out net-pen farming of non-native salmon in Washington waters.

Dozens of activists from around the region traveled to Renton Wednesday for a public hearing on Puget Sound Energy’s latest 20-year energy blueprint . The protesters say the utility needs to do more to get off of fossil fuels sooner.

Bundle up and brace for what could be the coldest weather western Washington has seen in a long while, says KNKX weather expert Cliff Mass. A blast of Arctic air is headed our way, creating what will be a major cold wave over the next several days. Mass says it’s going to get really wintry around here.

King County Executive Dow Constantine is encouraging people who want to protect Puget Sound to buy British Columbia wines. It’s the latest volley in a minor trade war between B.C. and its neighboring province of Alberta. Earlier this month, Alberta announced a boycott on British Columbia wines, with premiere Rachel Notley directing regulators to block roughly $50 million a year in wine imports.

Members of Congress who represent Puget Sound are pushing back against the Trump administration’s budget for 2019 in part because it would zero out all federal funding for cleanup and recovery of the iconic ecosystem.

The Trump administration has proposed its budget for fiscal year 2019. It would once again gut funding for a multi-million-dollar federal conservation and outdoor recreation program.

Stormwater runoff is the largest source of toxic chemicals entering Puget Sound. It happens when rain hits pavement and carries pollutants such as oil or brake dust into local waterways, and it turns out bridges are an especially big source of that runoff. A local developer is piloting a solution that will be featured at a Green Infrastructure Summit taking place at UW Bothell Friday.

Clean air regulations that have been in the works for a decade are proving too tough to implement for thousands of short-haul truckers who call on the Ports of Seattle and Tacoma. In a unanimous vote Tuesday, The Northwest Seaport Alliance extended the deadline for compliance .