dr dhruv sen singhclimate change planetary thawing greatest environmental social political economic threats planet earth century since earth day celebrated every year apr crossways world affirm planet protect day individuals societies institutions come together raise awareness take exception earth facing urgent need conserve effects climate change deterioration nature becoming evident impact felt across globe major environmental problems ilk land air water pollution disforestation increase greenhouse gases water scarceness climate change loss biodiversity threatening sustainability use fossil fuels vehicular emissions destruction natural habitats industrialization unplanned ontogenesis contributing significant increase global demand body of water land due increase population urbanizati changing land use natural recharging system weewee resources reshaping landscapes changing interaction man surroundings affecting environment never witnessed must take urgent legal action address environmental issues wish decoct greenhouse gaseemission conserving water resources promoting afforestation reduce air pollution must assume sustainable practices daily go assure earth remains healthy sustainable future generations mood change spheric warming created unpleasant environment society heat wave hot day northern plains india made life extremely uncomfortable lucknow temperatures soaring degrees celsius crucial protect residents environment scorching heat due high uv radiations make people feel torturous summer never find high temperatures degrees celsius scorching played open playgrounds summer vacation without problem past real temperature degress in effect temperature feel whereas nowadays real temperature feels like level due heat island effect caused concrete jungle around reduced surface water supply bodies deforestation glaring cover land area increase concrete jungles deforestation roadside tiles greenhouse gases actinium exhaust use granite sandstone set out relief char heat cities plan proper water physical structure vegetation soil cover low concrete area habituate stick on tile side road checked afforestation essential spread awareness dangers heat waves educate people precautionary measures government set water stations of the cross ensure availability water public government primed cooling stations shelter people unable bear heat people take refuge essential promote green spaces city trees green spaces help lower temperature supply temperature reduction effect improve air spreading awareness promoting hydration providing shelter promoting green spaces reducing heat island effect protect people environment earth day army of the righteous us pledge preserve planet environment creating greener cleaner sustainable future writer professor geology university lucknow member first indian expedition arctic likewise recipient home geoscience award vigyan ratna shichhak shree saraswati samman