The 30th celebration of
earth day in the United States The years have passed since the first earth
Day, in 1970 9( present
perfect,) when millions of people joined in one of the
largest demonstrations of public opinion in the history of our country.- past indefinite
That day, 20 million Americans participated in
rallies, demonstrations to show their support for the protection of our health
and our environment.-past indefinite
This earth Day we celebrate the cleanest
environment in a generation.- Present indefinite
But our job is not done. Present indefinite passive
We still face environmental and public health
challenges. Present indefinite
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 us that the effects of climate change can be
predicted. -present perfect
Last December the President announced new
standards. Past indefinite
And for the first time, those standards
address not only the vehicles that people drive, but the fuels they use. Present indefinite
Working together, we created common sense
standards that protect the public health. Past
indefenite
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) 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
continuous
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 indefinite passive