He inenga hei tohu i te nui o ngā haurehu kati mahana ka whakaputaina e tētahi tangata, e tētahi kaupapa, e tētahi hanga, e tētahi rōpū rānei, pēnei i te pakihi, i te whare, i te whenua, i te kāwanatanga, i tētahi whakahaere rānei. Ko ēnei haurehu kati mahana, pēnei i te hauhā (CO2) tētahi pūtake matua o te āhuarangi hurihuri.
A measure indicating the amount of greenhouse gases that are emitted by a person, an activity, or an entity, such as a business, a building, a country, government or organisation. These greenhouse gases such as carbon dioxide are a major cause of climate change.
Ko te taraiwa motukā tētahi mahi o ia rā ka whakapiki i te tapuwae waro o te tangata.
E piki tonu ana te tapuwae waro o ngā whenua whairawa o te rātō, pēnei i Amerika.
Ko te kaupare i te kai mīti me te whakaiti i ngā haerenga mā runga motukā ētahi ara matua e heke ai te tapuwae waro o te whānau.