Prince Charles has found it hard to walk the talk:

Royal sources confirmed last night that Prince Charles boarded a Royal Flight HS125 at RAF Lyneham near his Highgrove home to take him, wife Camilla and a small entourage of aides to Aberdeen.
The couple are spending Easter at Birkhall, the Queen Mother’s former country house near Balmoral which she bequeathed to Charles.
But his flight put him on a collision course with environmentalists who estimated the flight would have a carbon footprint of 15,000kg per passenger. Analysts Best Foot Forward said a scheduled flight would have resulted in a far less damaging carbon emission of 435kg per person as it would have had more passengers.
Travelling by car would more than half that figure to 180kg and going by train via London would be the greenest option with a estimated carbon emission of 60kg.
Joss Garman, a campaigner for green pressure group, Plane Stupid said: “This is the third time in as many months that he has taken a private jet when he could have taken a more environmentally sustainable means of transport.
[…]
Charles vowed last December to “substantially” curb his reliance on gas-guzzling transport in favour of scheduled flights and train travel.
[…]
In his speech, Charles said climate change “was a war we simply have to win”. And he was applauded when he added: “It is surely the duty of each and every one of us to find out what we can do to make the situation better.”
[…]
In February, though, he reverted to a 140-seater private plane to fly to the Gulf with a 20-strong party.
During the trip, Camilla came under fire for flying a pair of stilettos from Highgrove to the Gulf after she realised she had landed in Kuwait without them. In the end, she didn’t even wear the shoes.

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The rich might want to rethink this whole carbon thing because they aren’ going to give up their lifestyle no matter what they say about global warming, just ask Al Gore.
And speaking of Gore, his hypocrisy appears to be causing him grief:

His presentation was halted at least twice as opponents to his agenda began to shout out. They called him a liar and a villain, and screamed, “What about your swimming pools?” in regards to recent allegations that the monthly electricity bill of Gore’s estate rivalled a year’s bill for the average American home.
This led Gore to joke, “I don’t even know if you guys are left- or right-wing”.