Environmentally Conscious Traveler T-Shirts

'Boss, when fuel prices go down, will we go back to using our corporate jet again?'

'It's very strange that we've been in this intense smog the entire voyage.'

A tourist inadvertently destroying the place he is visiting

Scenic Root: ants, bugs and worms using an exposed tree root as a scenic route.

"It's a new year, and I have a brand new attitude. Which way is it to San Diego Sea World?"

The Gardener's Holiday: Don't leave produce behind you to perish.

I want a car that says 'I've arrived' but didn't use too much gas getting there.

"We can't go. We don't have enough carbon offset credits to get to the Grand Canyon."

A whale with corporate sponsorship

World's cheapest car

"Al Gore happens to be a friend of mine."

Electric bike.

'I think I'll go somewhere warm this year.'

"We now allow our employees to send their drones in to work for them. It saves them time and money on gas."

Couple in a yacht setting up a washing line on wind turbines.

"Looks like they're headed off the grid!"

"No Littering" sign in space.

'With the price of petrol, I had to take on a second job to pay for the petrol to drive to my first job!'

Climb to the moon on a tower of waste.

"It's got everything: northern exposure, hardwood floors, central tree."

"Tell us the truth - it was you pedaling all the time, wasn't it?"

'Do you sell eggs? . . . I forgot to say that I have middle class guilt. . .'

'Surely the most environment-friendly holiday is staying at home.'

They didn't tell me what to do with it. I thought they told you what to do with it.

'Couldn't you plant your tree before you fly?'

Three Wise Men on one camel. One says: 'We've decided to set an example by camel sharing.'

'Sorry I'm late, Fred. I forgot to plug in the car.'

"Only one problem: wind resistance."

'Quicker to cycle anyway, mate...'

"I know it can drive itself. I'd buy it if it could pay for itself."

"Nice!. . . but, mine's more environmentally friendly."

Second hand store: 'LEFTOVERS AGAIN!'

"If cars are to go all electric by 2035 we have to make a few compromises."

'Are we nearly there yet?'

Polar Cruises.