Recycling of paper and better designed pulp and paper factories have helped decrease waste.

纸张的回收再用以及设计较佳的纸浆和造纸厂都有助于减少浪费。

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Reducing waste by incorporating used materials into production can cut costs and decrease the price of procurement: less to be procured from the outside and more to be re-utilized from the inside.

通过将使用材料投入生产来减少浪费可以降低成本、减少采购花费：不从外部采购，更多从内部再利用。

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Reducing waste by incorporating used materials into production can cut costs and decrease the price of procuremen: less to be procured from the outside and more to be re utilized from the inside.

通过将使用过的材料纳入生产中来减少浪费，可以降低成本和采购价格：从外部采购的更少，从内部重新利用的更多。

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Usess of the Airware technology, which started shipping last November, so far include agricultural drones that use image analysis to decrease waste of water and increase crop yields.

FORBES: Drone Startup Airware Lands $10.7 Million Series A Led By Andreessen Horowitz

According to Fuller, the Connected Urban Development pilots helped to show how cities can accelerate their transition to sustainability, reduce CO2 emissions, increase energy efficiency, and decrease waste, all by harnessing the basic information and communications technology available in wireless networks.

FORBES: Can IT Make Cities Better?

Deputy Spruce said the cost of kerbside recycling could not be justified by a decrease in residual waste of "only a few thousand tonnes".

BBC: Guernsey minister defends kerbside recycling costs