There are many websites with helpful content and resources related to environmental issues and cloud computing. Here is just a selection of some we hope you will find useful.
Environmental Policy and Regulation in the UK
DEFRA, or the Department for Environment, Food and rural affairs, is the UK Government department responsible for policy and regulations on the environment, food and rural affairs
The Environment Agency
The Agency is a public body responsible to the Secretary of State for Environment, Food and Rural Affairs and a Welsh Government entrusted to protect and improve the environment, and to promote sustainable development.
Environmental Research in the UK
Living with Environmental Change
large-multi agency group of 22 public sector organisations that fund, carry out and use environmental research and observations in the UK.
Natural Environment Research Council (NERC)
NERC funds world-class science in universities and our own research centres that increases knowledge and understanding of the natural world and is a major funder of environmental research in the UK. The Pilot EVO project is funded by NERC.
A database of recent and current environmental research in the UK.
Wikipedia page on cloud computing provides a good intorduction to basic concepts and issues.
The Guardian provides regular articles i a popular style on Cloud computing. For example a recent article from 6th November 2011 gives a brief digest of recent commercial developents in cloud computing.