The only problem I can see is that you seem to have two facts: 1) the UK plans to cut carbon emissions, and 2) worldwide government nanotechnology investment is US $4 billion. " I added that extra bit because I'm not really sure what nanotechnology has to do with carbon emissions. I thought it was tiny electronics.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.