Sustainable aviation fuel is the only way forward if we want to keep flying | Paul Callister and Robert McLachlan

The targets envisioned by the Paris Agreement leave no room for fossil fuelled commercial aviation by 2050

Aviation is an important part of the global economy; until Covid-19, it was responsible for 2.8% of global CO2 emissions. In New Zealand, aviation is responsible for an even higher percentage of CO2 emissions, the figure having doubled since 1990 to 13% in 2018. The country’s geographic isolation, transport system, international tourist industry, and globally dispersed families have all contributed to the jump in growth and will make reducing emissions a challenge.

But New Zealand has signed up to net zero emissions by 2050 and enacted the Zero Carbon Act, which aims to implement policies that will limit the global average temperature increase to 1.5C, in line with the Paris Agreement.

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