I would purchase and transport a herd of Australian Kangaroos from Oz to the outback of New Mexico / Texas and let them loose.

I would do the same with 20 breeding pairs of polar bears and transport them to Antartica.

I would purchase multiple 3-story high mylar ballons, and tether them together in a pattern that spells my name in dot matrix letters. Then I would pay to have Russia launch them into orbit so everyone on earth would read my name.

I would have c-17 transport aircraft drop millions of tons of carbon black in the air above the glacers at the poles to see if I could melt the ice and raise the oceans.

I would use explosives to knock down the Georgia guide stones, only to rebuild them praising me!

I would go to eastern europe and pay thousands and thousands of young women down on thier luck women to become artificially inseminated with my seed to spread my genes like Genghis Khan.