The 30th celebration of earth day in the United States The years have passed since the first earth Day,(present perfect tense) in 1970 when millions of people joined (past indefinite tense) in one of the largest demonstrations of public opinion in the history of our country. That day, 20 million Americans participated in rallies, demonstrations to show their support for the protection of our health and our environment.(past indefinite tense) This earth Day we celebrate the cleanest environment in a generation.(present indefinite tense ) But our job is not done. (Present indefinite passive )We still face environmental and public health challenges(present indefinite tense). One of our biggest challenges is climate change(.present tense of to be) Global warming is real today.( present tense of to be) More than 2,000 of the world’s experts on the global environment have told (present perfect tense)us that the effects of climate change can be predicted. Last December the President announced new standards(past indefinite tense). And for the first time, those standards address not only the vehicles that people drive, but the fuels they use. (present indefinite tense)Working together, we created common sense standards that protect the public health. (past indefinite tense)There are also other sources of harmful pollution.(present tense of to be) Over the next decade alone, because of the investment made in the Energy Star Programme,(past indefinite tense) Americans will save more that 24 billion dollars and help reduce millions of tons of harmful pollutants(future indefinite active ). And the best things about it – we’re not just saving money; (present continuos )we’re reducing pollution, protecting the environment. (present continuous )Such ecological problems will not be solved by government. (future indefinite passive )They will not be solved by business.( Future indefinite passive )They will be solved by us.(future indfinte passive )
Dear friend I got your message, thank you I promised to write to you about his work, in fact, I will explore the strange weather phenomena now 5 years old, I came home from the last expedition a month ago and is now preparing an exciting movie about the volcano eruption, you ever heard of the fish rain of ball lightning and fire tornado? This is an amazing and incredible sight, it is good that they are very rare, if there was a fire storm often, he would have burned everything in its path, and life on earth would be under threat, I think by the end of the year I will finish all your studies, if you only I knew I was tired and tortured!
The years have passed since the first earth Day,(present perfect tense) in 1970 when millions of people joined (past indefinite tense) in one of the largest demonstrations of public opinion in the history of our country. That day, 20 million Americans participated in rallies, demonstrations to show their support for the protection of our health and our environment.(past indefinite tense) This earth Day we celebrate the cleanest environment in a generation.(present indefinite tense ) But our job is not done. (Present indefinite passive )We still face environmental and public health challenges(present indefinite tense). One of our biggest challenges is climate change(.present tense of to be) Global warming is real today.( present tense of to be) More than 2,000 of the world’s experts on the global environment have told (present perfect tense)us that the effects of climate change can be predicted. Last December the President announced new standards(past indefinite tense). And for the first time, those standards address not only the vehicles that people drive, but the fuels they use. (present indefinite tense)Working together, we created common sense standards that protect the public health. (past indefinite tense)There are also other sources of harmful pollution.(present tense of to be) Over the next decade alone, because of the investment made in the Energy Star Programme,(past indefinite tense) Americans will save more that 24 billion dollars and help reduce millions of tons of harmful pollutants(future indefinite active ). And the best things about it – we’re not just saving money; (present continuos )we’re reducing pollution, protecting the environment. (present continuous )Such ecological problems will not be solved by government. (future indefinite passive )They will not be solved by business.( Future indefinite passive )They will be solved by us.(future indfinte passive )