Green Policy Institute Green Policy Institute is a think-tank of green ideas. Our mission – to promote sustainable development decisions, based on scientific researches and experts’ analysis, into Lithuanian business, politics and society. Website Facebook Current Events Upcoming Events Past Events There are currently no events. There are currently no events. 27 May 27 May - 29 May River Cleanup Lithuania 2022-05-27 @ 00:00 (GMT+0000) - 2022-05-29 @ 23:30 (GMT+0000) Lithuania