Climate-conscious Joker T-Shirts

"Well, ya gotta admit, Ol' Darryl's always thinking outside the box..."

"Hi there! - I'm the world's first eco-friendly comedian... All My Jokes Are Recycled...!"

Wind turbine and leaf blower.

The new green legislature requires methane mitigation.

Crisis Buzz.

"Yep, it says "pesticide"! Not only are they trying to kill us, they also insult us by calling us pests!"

"I modified the symbol for accuracy."

"It's so warm that I'm laying hard boiled eggs."

"Whoever pulls it out becomes King of Britain, but Phil licked the handle, so..."

'Okay, but for future reference; We never grit the ice in here.'

"With the way the weather is these days I went ahead and packed my bathing suit, sun screen and cross country skis."

Vegetarian restaurant: 'Two vegetarians please.'

The nuclear power plant didn't doom the Snail Darter as feared.

'Why are you watching TV with the lights off?'

'Another advantage is everyone will have better tans.'

"The bad news is climate change is for real. The good news is it will make the liberal left extinct by 2050."

'They can't help smelling like that -- they're biodegradable.'

Tonight's topic: Global warming.

"I think it's a Spider Plant bite."

"As part of our environmental policy we burn compliance to heat the system."

'Nobody said anything about a bagpipe ban.'

'I want you to know we're 100% sustainable now. We've phased out tarpits and switched to solar panels and double glazing!'

'I'm helping to 'Save the Planet'... doing 'my-bit' for energy conservation!'

'I jogged 120 miles last month and drank 3 gallons of wine. At 40 mpg, I'm doing more than my share for the energy crisis.'

"To be environmentally responsible I'm recycling my sister's old book reports."

'And I'm pleased to report that we were able to reduce our carbon footprint...'

'Of course it's worth it, think of the water we're saving.'

Wind Farm

'If global warming means less migrating, I'm all for it.'

"We're under stage four water restrictions!"

STOP GLOBAL WARMING!, 'Let's call it a day before we get frostbite.'

'Ted, I don't think that's how they want our trash separated.'