ALWAYS READY, CONNECTED, AND FAST For Alexa device owners, the free Amazon Alexa App is a companion to your Alexa device for setup, remote control, and enhanced features. Alexa is always ready to play your favorite music, provide weather and news updates, answer questions, create lists, and much more.
Health Effects of the Pollution We Cause. Exposure to emissions of lead, mercury, sulfur dioxide, particulate matter, carbon dioxide, and ozone-forming nitrogen dioxides are hazardous to public health. Toxic compounds, like mercury and lead, poison organ systems and can lead to brain damage and death.
A list of the human causes of air pollution includes vehicles, domestic smoke and heating, aircraft pollution, outdoor fires, and incineration of waste. To reduce the problems of air pollution, people should be more aware of their actions in these areas. 1  Human Activity: An overview of how human activity affects air pollution. 2  Air Toxics: A look at mercury and other air toxic emissions associated with production of electricity.