In my home state of Delaware, we've done our homework and worked hard and, as a result, we've made great strides in cleaning up our own air pollution. Unfortunately, a number of the upwind states to the west of us have not made the same commitment to reducing harmful pollution by investing in cleaner air.

In this quote, Tom Carper, a U.S. Senator from Delaware, discusses the efforts his state has made to address air pollution. He emphasizes that Delaware has “done our homework” and worked diligently to reduce harmful pollution, making significant progress in improving the environment and the quality of air within the state. This reflects the state's commitment to environmental sustainability and a cleaner, healthier atmosphere for its residents.

However, Carper contrasts Delaware's progress with the situation in other states, particularly those located upwind to the west of Delaware. These states, according to Carper, have not made the same level of commitment to reducing pollution, leading to a situation where pollution from those regions still affects Delaware's air quality. The phrase “upwind states” refers to the fact that air pollution often travels across state lines, making it a regional issue that requires cooperation among neighboring states for more effective solutions.

Carper’s quote highlights the challenges of tackling environmental problems that are not confined within state borders. Despite Delaware’s hard work, it faces external factors that undermine its local efforts. This underscores the need for a broader, collaborative approach to address air pollution, where states work together to reduce emissions and invest in cleaner air technologies.

In conclusion, Tom Carper’s quote reflects the difficulties of achieving substantial environmental progress when other states are not as committed to the cause. It calls for a collective effort to address air pollution at a regional level, as one state’s progress can be undermined by neighboring areas that are not making similar investments in cleaner air.