I don't know how you can blame President Bush for a problem that started back in the 1700's...

As for the last 4 years - here's what has been implemented to fight acid rain and other pollution
2000
EPA establishes regulations requiring more than 90 percent cleaner heavy duty highway diesel engines and fuel.

2002
President George W. Bush signs the Small Business Liability Relief and Brownfields Revitalization Act to reclaim and restore thousands of abandoned properties.

2003
President George W. Bush signs the Healthy Forests Restoration Act, helping to prevent forest fires and safeguard and preserve the nation’s forests.

2003
More than 4,000 school buses will be retrofitted through the Clean School Bus USA program, removing 200,000 pounds of particulate matter from the air over the next 10 years.

2003
Clear Skies legislation and alternative regulations are proposed to create a cap and trade system to reduce SO2 emissions by 70 percent and NOx emissions by 65 percent below current levels.

2004
New, more protective, 8-hour ozone and fine particulate standards go into effect across the country.

President George W. Bush proposes the Clean Air Rules of 2004 that will make people healthier now and in the future. The result is more protection—faster—which ensures that clean air will be this generation’s contribution to the next.

2004
EPA requires cleaner fuels and engines for off-road diesel machinery such as farm or construction equipment.

I would think Kerry has more responsibility since he's been a senator for the last 20 years and in charge of making the rules....he's had more control over the situation than Bush.. he'd have less control in the White House....

Canie