The climate is affected by every single reaction of earth these chemical,pollution,rivers infection can lead to many climate change which are not good for us. These changes can be of many types like increase in heat or very cool season which can be bad for plants,animals and humans because animals like birds,cats dogs live a nomadic life which can make them all rare as if these animals cannot be suitable for this climate they would die. So we should use public transport and should not waste water and food