https://padlet.com/cool35/ly2c8v1wfi0s0fck 회한 없이 만듦 en-us 2021-11-17 01:40:00 UTC 2023-01-29 20:16:43 UTC hello@padlet.com cool35 https://padlet.com/cool35/ly2c8v1wfi0s0fck/wish/1895625327 오늘날 가장 많이 사용하는 에너지 자원인 석탄, 석유 등은 온실 가스를 배출하여 환경 문제를 유발한다. 원자력 발전은 방사성 물질 누출 시 생태계를 파괴할 수 있다는 문제점이 있다. 
이에 대비하기 위하여 세계 각국은 태양광, 풍력, 조력, 지열, 바이오 에너지 등의 지속가능한 자원을 개발하는데 힘쓰고 있다. ]]> 2021-11-17 01:41:41 UTC https://padlet.com/cool35/ly2c8v1wfi0s0fck/wish/1895625327 cool35 https://padlet.com/cool35/ly2c8v1wfi0s0fck/wish/1895628440 환경에 영향을 적게 주면서 자원의 낭비를 최소환으로 하는 자원을 말한다. ]]> 2021-11-17 01:43:02 UTC https://padlet.com/cool35/ly2c8v1wfi0s0fck/wish/1895628440 https://padlet.com/cool35/ly2c8v1wfi0s0fck/wish/1895638119 2021-11-17 01:47:01 UTC https://padlet.com/cool35/ly2c8v1wfi0s0fck/wish/1895638119 https://padlet.com/cool35/ly2c8v1wfi0s0fck/wish/1895641106 2021-11-17 01:48:16 UTC https://padlet.com/cool35/ly2c8v1wfi0s0fck/wish/1895641106 https://padlet.com/cool35/ly2c8v1wfi0s0fck/wish/1895641330 2021-11-17 01:48:22 UTC https://padlet.com/cool35/ly2c8v1wfi0s0fck/wish/1895641330 https://padlet.com/cool35/ly2c8v1wfi0s0fck/wish/1895653874 2021-11-17 01:53:24 UTC https://padlet.com/cool35/ly2c8v1wfi0s0fck/wish/1895653874 https://padlet.com/cool35/ly2c8v1wfi0s0fck/wish/1895658026 2021-11-17 01:55:05 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