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(of an object) able to be broken down by living organisms such as bacteria, which is then safe for the environment
生分解性の, バイオ分解性の
describing a state in which the carbon dioxide emission reaches zero or there is a balance between the amount of carbon dioxide emitted and absorbed
カーボンニュートラル, 炭素中立
(of a vehicle) not producing gases harmful to the environment
ゼロエミッションの, 排出ゼロの
(of natural substances such as oil) unprocessed and in raw form
原油の（げんゆの）, 未加工の（みかこの）
related to the connection between animals, plants, and humans and their environment
生態的な, エコロジカルな
containing or relating to a dangerous form of energy produced by nuclear reactions
放射性の, ラジオアクティブな
related to a type of farming in which animals and birds can move around and eat freely, instead of being kept in a limited area
放し飼いの, 自由放牧の
to make a place, substance, etc. dirty or harmful by adding dangerous material
汚染する, 侵犯する
to make decayed leaves, plants, or other organic waste into a mixture that can improve the soil's quality to help plants grow more quickly
堆肥を作る（たいひをつくる）, コンポストする
to remove unwanted or harmful substances from another substance
精製する (せいせいする), 洗浄する (せんじょうする)
to use something once more, usually for a different purpose
再利用する (さいりようする), 使い回す (つかいまわす)
someone who makes efforts to protect the environment and wildlife from any type of harm
環境保護活動家, 自然保護主義者
a feeling of great worry regarding the current and future state of the environment threatened by humans
エコ不安, 環境不安
a truck with a container that can be elevated to unload waste material
ダンプカー, ダンプトラック
a ship, aircraft, or road vehicle for carrying liquids, particularly crude oil or gas in large quantities
タンカー, 油槽船
an odorless, colorless, and poisonous gas that is produced from the burning of fossil fuels, which proves lethal in some cases
一酸化炭素, 炭素一酸化物
very small plastic pieces in the environment that originate from personal care products, clothing, etc. and the degradation of other plastic products
マイクロプラスチック, 微小プラスチック
a tall metal structure used for carrying high-voltage power lines above the ground
鉄塔 (てっとう), パイロン
a large machine or structure used for producing nuclear energy
原子炉（げんしろ）, 反応炉（はんのうろ）
a layer of gases in the earth's atmosphere that does not let the sun's ultraviolet radiation pass through
オゾン層, オゾンレイヤー
an area for birds and animals to live and to be protected from dangerous conditions and being hunted
野生動物保護区, サンクチュアリ
the number of people who have died or gotten injured because of a war, natural disaster, pandemic, etc.
死者数 (ししゃすう), 犠牲者数 (ぎせいしゃすう)
a large fire that spreads fast and causes much destruction
山火事 (やまかじ), 森林火災 (しんりんかさい)
a very large ocean wave caused by a storm or an underwater earthquake that when hits the land causes a lot of destruction
津波 (つunami), 大波 (おおなみ)
a chemical substance that kills plants, used for destroying plants that are not wanted
除草剤 (じょそうざい), ハーブicide (はーぶさいど)
a large facility used for drilling oil or gas from underground or under the sea
油田掘削施設（ゆでんくっさくしせつ）, 石油プラットフォーム（せきゆぷらっとふぉーむ）
