Left out of the Paris climate agreement, which is to be signed at the United Nations this week, the two industries nonetheless face pressure to be greener.

Even though commercial aviation and ocean shipping are significant sources of greenhouse gas emissions, they were excluded from the Paris climate treaty, to be signed by more than 100 countries this week at the United Nations in New York.

Now governments and advocacy groups are pressuring these industries to take stronger steps to curb pollution.

A coalition of European, North African and South Pacific nations is lobbying the International Maritime Organization, the United Nations agency that oversees shipping, to start discussing an emissions-reduction commitment at a meeting in London that will begin Monday

Source: Calls for Shipping and Aviation to Do More to Cut Emissions – The New York Times