I'd be more concerned with this:-
The scientific opinion on climate change, as expressed by the UN Intergovernmental Panel on Climate Change (IPCC) and explicitly endorsed by the national science academies of the G8 nations, is that the average global temperature has risen 0.6 ± 0.2 °C since the late 19th century, and that it is likely that "most of the warming observed over the last 50 years is attributable to human activities"
- wikipedia.org
Anyway, the ports are being bought by P&O (Pacific and Orient), a British company, which just so happens to have been recently bought by an Arab company. It sounds to me more like the Democrats are playing politics. They do of course have previous experience with containment policies (groan).