For fun, here is my rebuttal if you believe for some reason that the burden of proof is on me.
NRDC: The Bush Record
EPA cracks down on coke plant pollution (03/31/05)
States sue EPA over new mercury rule (03/29/05)
White House weakens EPA cancer safeguards (03/29/05)
BLM plans to open up protected desert land to recreation and development (03/24/05)
Florida crocodiles to lose endangered status (03/24/05)
Bush administration appeals mountaintop mining defeat (03/18/05)
EPA inspector general to review hydraulic fracturing study (03/17/05)
EPA weakens mercury reduction requirements for power plants (03/15/05)
And that's just in one half of a month...