Is there any grammer problem?
The evidence seems to indicate that immigration has positives results in the economy, fill labor and skills shortages in the UK. However, immigration has negatives results in strain on public service, education system, transport and housing.
Thanks ever so much
Transportation was a criminal penalty, therefore where AmE uses transportation, BrE uses transport. He is based in London so it is better to go with the BrE version.transportations and dwellings