GDP has been understated for the last three to four years.

Regulatory failings mean that the cost of breaking the law is far below that of obeying it - businesses are happier to pay fines than to control pollution.

China's energy is very much focused on coal, and the economy is very focused on heavy industry, which is carbon intensive, so restructuring won't be easy.

Pollution is a serious one. Water pollution, air pollution, and then solid hazardous waste pollution. And then beyond that, we also have the resources issue. Not just water resources but other natural resources, the mining resources being consumed, and the destruction of our ecosystem.

Even the government understands that the environmental challenge is so big that no single agency can handle it. It needs collaboration among all the stakeholders - companies, governments, NGOs and the public. Public accountability will be the ultimate driving force.

With its imagination and large sales, Apple has become the world's most valuable IT company. However people are starting to have doubts regarding Apple's silence on heavy metal pollution problems.