Mhepo turbines: isimba ravanogadzira rakasvibira sezvaunofunga?

Mhepo turbine kana mahwindimhepo ave ayo anodiwa girini magetsi sosi munyika zhinji kutenderera pasirese, sezvo achiwanzo fungidzirwa kuve ane chaiyo zero zero yezvakatipoteredza kukanganisa. Zvimwe zvidzidzo zvinoratidza kuti zvinogona kunge zvisina kuve zvakasvibira sezvaunofunga

Mitambo yeOlimpiki yechando. Kuenderera kwako kuri mungozi here?

Iwo chete matanhatu emaguta akange atoita maOlimpiki eZhizha muzana ramakore rapfuura ndiwo angatonhorere zvakakwana kuvagamuchira. Kunyangwe kune fungidziro yemamiriro ekunze inochengetedza, maguta gumi nerimwe chete pagumi nematanhatu aibata maOlimpiki eZima ndiwo aigona kuzviita mumakumi emakore anotevera maererano neongororo yakaitwa neUniversity of Waterloo (Canada) neManagemen Center muInnsbruck (Austria).

Geothermal simba. Greenhouses uye kushanda kwavo mune zvekurima

Geothermal energy isimba iro rinogona kuwanikwa nekutora mukana wekupisa kwemukati mePasi. Uku kupisa kunokonzerwa nezvinhu zvinoverengeka, kupisa kwayo kwakasara, iyo geothermal gradient (kuwedzera kwekushisa nekudzika) uye radiogenic kupisa (kuora kwema radiogenic isotopes), pakati pevamwe.

Yakashandurwa muraraungu

Muraraungu wakachinjika uripo here?

Muraraungu wakachinjika chiitiko chemamiriro ekunze chinoda mamiriro akasiyana pane muraraungu wakajairika. Nzvimbo iri pasi pano inonyanya kuzivikanwa kuva iyo North Pole, kunyangwe shanduko yemamiriro ekunze yaizove ichikonzera kuti dziitikire munzvimbo dzakadzikama.

New Orleans Katrina

Dzidza zvaunofanira kuita panguva dzakanyanya mamiriro ekunze

Federal Emergency Management Agency muUnited States yakapa nhevedzano yenhungamiro kuvagari vayo pamusoro penzira yekuzvidzivirira pachavo nemhuri dzavo panguva yezviitiko zvemamiriro ekunze zvakanyanyisa, izvo zviri kuwedzera zvine ngozi muhuwandu nekuda kweshanduko yemamiriro ekunze.