Daily Mail: Couples who have more than two children are putting an ‘irresponsible` burden on the environment, the Government`s leading green adviser has warned. Jonathon Porritt called on ministers to take action to reduce population growth in Britain, and criticised fellow green campaigners for ducking the ‘controversial` issue. Mr Porritt, chairman of the Sustainable Development Commission, which advises the Government on green matters, said the SDC was due to publish a report on the …