These vital signs are global warming,greenhouse effect,climate change and ozone depletion. Remember-Global warming is global warning. As The condition of our planet earth is deteriorating. It is like a 'patient' whose health is constantly declining. But we have started realizing our ethical responsibility of guarding the planet. As this is an 'Era of Responsibility', we need to realise our role towards our future generations. Protecting our earth is our major responsibility.