这项合作的产生有其历史和政治上的原因。

There are historical and political reasons as to why collaborations emerge.

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然而，反对这项合作的情绪在全世界范围内蕴酿着。

Opposition to the deal is brewing all around the world.

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如果这项合作成功，将可以减少飞机的碳足迹，并避免其他生物燃料对全球粮食供应产生的负面影响。

If this venture is successful, it could reduce the carbon footprint of airplane travel, and avoid the negative impact that other biofuels have on the global food supply.

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