When planning a new play area, API is the perfect first port of call for advice. (educationbusinessuk.net)
His thesis is that we should not be looking to CO2 as our first port of call in explaining recent climate change when the sun is more obvious. (joannenova.com.au)
If any given nation does not apply the tax, an equivalent duty can be applied to their products at ports of entry. (climatesciencewatch.org)