The Sun recently had a fantastic mix of articles. U.S. Rep. Steny Hoyer fears that giant wind turbines proposed in Somerset County could jeopardize the future of Naval Air Station Patuxent River, an economic engine for the state ("Hoyer, O'Malley at odds over Shore wind project," April 2). Man-made greenhouse gas emissions are the main reason global warming is getting worse. Such emissions can be stuck in the atmosphere for centuries ("The heat is on," April 2). Rising sea-levels and extreme weather events due to global warming threaten the port of Baltimore in terms of jobs, docking, flooding, coastal erosion. Tourism will decline due to days over 90 and even 100 degrees. The health of people who work outdoors will be affected. Crops will be damaged by drought, floods, saltwater intrusion and new pests. Burning fossil fuels for energy is the primary cause of climate change. Switching to a clean energy economy is critical to reducing the impacts of climate change ("Climate change threatens economy," April 2).