However many environmental groups and charities argued against this. Greenpeace produced information showing that Heathrow’s post-expansion carbon footprint would be a similar size to that of Kenya’s. The National Trust pointed out that regardless of whether CO2 was being offset around the UK, London air quality would fall. Also, the impacts on local communities came into question. A village on the expansion site known as Sipson would be destroyed if the expansion of Heathrow was granted. This would involve 700 homes being demolished as well as several a listed buildings. BAA claimed it would relocate and reimburse the whole community displaced. They also said they would not destroy but in fact repair and maintain the listed buildings on the site. However Sipson village council, the Greater London Authority and the conservative party argued against this. They stated that significant proportions of Greenbelt land would be destroyed and the sound levels in the area would expand by several km2. In January 2009 Heathrow’s proposal for expansion was granted by the Labour Government. But this was put to a standstill as the demonstration groups opposing the plans for Heathrow appealed the decision to the Higher Court. It took a whole year of a legal battle but it was decided eventually in March 2010 that the Labour government’s decision was invalid and it was placed under review.