Environmentalists and city leaders in San Francisco said that they will push ahead with aggressive climate change policies despite President Donald Trump's executive order that seeks to boost the coal industry.

Trump, who has called global warming a "hoax" invented by the Chinese, said during his campaign that he would kill Obama's climate plans and bring back coal jobs.

But the senior environment advisor to San Francisco Mayor Ed Lee said clean energy creates thousands of new jobs...and the idea that environmentalism is bad for business is false.

The director of the clean energy advocacy group "SF Environment" said the agency is also prepared to go to court if necessary to fight the order that eliminates many restrictions on fossil fuel production.

Meanwhile California Governor Jerry Brown said the state will help fill the void left by Trump's decision to unravel former President Barack Obama's plan to curb global warming.

Brown also signed a statement released by West Coast political leaders calling climate change one of the region's greatest threats due to wildfires, ocean acidification and drought.

California, along with New York, has pledged to reduce greenhouse gas emissions 40 percent below 1990 levels by 2030 and 80 percent by 2050.

They also have mandated that half of each state's electricity be generated from renewable sources by 2030.

San Francisco, California - March 29, 2017

1. wide shot of San Francisco City Hall

2. close up of solar panels on City Hall roof shot from ground

3. SOUNDBITE (English) Tyrone Jue, Mayor's Senior Advisor on the Environment

"We're on the rooftop of San Francisco City Hall which just celebrated its centennial anniversary. This is a classic example of the direction we're heading in our city. We can take an historic building like this, add solar panels to help power the building and also do a bunch of energy efficiency and water conservation projects in order to improve the output from here."

4. pan down from City Hall dome to solar panels on rooftop

5. electric vehicle charging station outside City Hall

6. green vehicle parking spot outside City Hall

7. wide shot of SF Environment agency electric vehicle

8. close up of SF Environment logo on electric car

9. SOUNDBITE (English) Deborah Raphael, Director - SF Environment

"It was a really tough day to be an American for me and for those of us here in San Francisco. We are so committed and so convinced of the importance of this work, to heal the planet, to get CO2 out of the air, to stop polluting our environment. When we hear from our top leader that this work is not only not valued but that they also want to go backwards in time, it's very demoralizing."

10. Composting Means Jobs sign in Raphael's office

11. SOUNDBITE (English) Deborah Raphael, Director - SF Environment

"Every one of us is asking the question: is it legally defensible, what they're doing? We are reading those same documents. We are looking at the Constitution. We are looking at the laws of our land. We are prepared to fight and prepared to demand that the law of the land remain in tact."

12. side profile shot of rows of solar panels on City Hall roof

13. close up of one solar panel

14. SOUNDBITE (English) Tyrone Jue, Mayor's Senior Advisor on the Environment

"We've definitely been keeping a close eye on where those funds are coming into our city and how they may impact our programs. But, to be clear, the Mayor has made a very firm commitment that we're going to move forward our climate action plan in the city. This is something that we've embraced for over a decade now because it's the right thing to do. It's also the right thing to do both economically and from a public health perspective. If you look at San Francisco's thriving economy, we've managed to reduce our emissions by 24 percent while our economy has grown by over 50 percent. To say that going to a clean energy economy is somehow bad for business, that's just not the case in San Francisco, the Bay Area and many of the major cities throughout the United States are clear examples of that being the case."

15. medium static shot of City Hall dome above solar panels

Environmentalists and city leaders in San Francisco said that they will push ahead with aggressive climate change policies despite President Donald Trump's executive order that seeks to boost the coal industry.

Trump, who has called global warming a "hoax" invented by the Chinese, said during his campaign that he would kill Obama's climate plans and bring back coal jobs.

But the senior environment advisor to San Francisco Mayor Ed Lee said clean energy creates thousands of new jobs...and the idea that environmentalism is bad for business is false.

The director of the clean energy advocacy group "SF Environment" said the agency is also prepared to go to court if necessary to fight the order that eliminates many restrictions on fossil fuel production.

Meanwhile California Governor Jerry Brown said the state will help fill the void left by Trump's decision to unravel former President Barack Obama's plan to curb global warming.

Brown also signed a statement released by West Coast political leaders calling climate change one of the region's greatest threats due to wildfires, ocean acidification and drought.

California, along with New York, has pledged to reduce greenhouse gas emissions 40 percent below 1990 levels by 2030 and 80 percent by 2050.

They also have mandated that half of each state's electricity be generated from renewable sources by 2030.

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San Francisco, California - March 29, 2017

1. wide shot of San Francisco City Hall

2. close up of solar panels on City Hall roof shot from ground

3. SOUNDBITE (English) Tyrone Jue, Mayor's Senior Advisor on the Environment (partially covered by shots 1-2 & 4-5)

"We're on the rooftop of San Francisco City Hall which just celebrated its centennial anniversary. This is a classic example of the direction we're heading in our city. We can take an historic building like this, add solar panels to help power the building and also do a bunch of energy efficiency and water conservation projects in order to improve the output from here."

4. pan down from City Hall dome to solar panels on rooftop

5. electric vehicle charging station outside City Hall

6. SOUNDBITE (English) Deborah Raphael, Director - SF Environment (partially covered by shots 7-9)

"It was a really tough day to be an American for me and for those of us here in San Francisco. We are so committed and so convinced of the importance of this work, to heal the planet, to get CO2 out of the air, to stop polluting our environment. When we hear from our top leader that this work is not only not valued but that they also want to go backwards in time, it's very demoralizing. Every one of us is asking the question: is it legally defensible, what they're doing? We are reading those same documents. We are looking at the Constitution. We are looking at the laws of our land. We are prepared to fight and prepared to demand that the law of the land remain in tact."

7. green vehicle parking spot outside City Hall

8. wide shot of SF Environment agency electric vehicle

9. close up of SF Environment logo on electric car

10. Tyrone Jue, Mayor's Senior Advisor on the Environment (partially covered by shots 11-12)

"We've definitely been keeping a close eye on where those funds are coming into our city and how they may impact our programs. But, to be clear, the Mayor has made a very firm commitment that we're going to move forward our climate action plan in the city. This is something that we've embraced for over a decade now because it's the right thing to do. It's also the right thing to do both economically and from a public health perspective. If you look at San Francisco's thriving economy, we've managed to reduce our emissions by 24 percent while our economy has grown by over 50 percent. To say that going to a clean energy economy is somehow bad for business, that's just not the case in San Francisco, the Bay Area and many of the major cities throughout the United States are clear examples of that being the case."

11. composting Means Jobs sign in Raphael's office

12. medium static shot of City Hall dome above solar panels

Environmentalists and city leaders in San Francisco said that they will push ahead with aggressive climate change policies despite President Donald Trump's executive order that seeks to boost the coal industry.

Trump, who has called global warming a "hoax" invented by the Chinese, said during his campaign that he would kill Obama's climate plans and bring back coal jobs.

But the senior environment advisor to San Francisco Mayor Ed Lee said clean energy creates thousands of new jobs...and the idea that environmentalism is bad for business is false.

The director of the clean energy advocacy group "SF Environment" said the agency is also prepared to go to court if necessary to fight the order that eliminates many restrictions on fossil fuel production.

Meanwhile California Governor Jerry Brown said the state will help fill the void left by Trump's decision to unravel former President Barack Obama's plan to curb global warming.

Brown also signed a statement released by West Coast political leaders calling climate change one of the region's greatest threats due to wildfires, ocean acidification and drought.

California, along with New York, has pledged to reduce greenhouse gas emissions 40 percent below 1990 levels by 2030 and 80 percent by 2050.

They also have mandated that half of each state's electricity be generated from renewable sources by 2030.

San Francisco, California - March 29, 2017

1. wide shot of San Francisco City Hall

2. close up of solar panels on City Hall roof shot from ground

3. SOUNDBITE (English) Tyrone Jue, Mayor's Senior Advisor on the Environment

"We're on the rooftop of San Francisco City Hall which just celebrated its centennial anniversary. This is a classic example of the direction we're heading in our city. We can take an historic building like this, add solar panels to help power the building and also do a bunch of energy efficiency and water conservation projects in order to improve the output from here."

4. pan down from City Hall dome to solar panels on rooftop

5. electric vehicle charging station outside City Hall

6. green vehicle parking spot outside City Hall

7. wide shot of SF Environment agency electric vehicle

8. close up of SF Environment logo on electric car

9. SOUNDBITE (English) Deborah Raphael, Director - SF Environment

"It was a really tough day to be an American for me and for those of us here in San Francisco. We are so committed and so convinced of the importance of this work, to heal the planet, to get CO2 out of the air, to stop polluting our environment. When we hear from our top leader that this work is not only not valued but that they also want to go backwards in time, it's very demoralizing."

10. Composting Means Jobs sign in Raphael's office

11. SOUNDBITE (English) Deborah Raphael, Director - SF Environment

"Every one of us is asking the question: is it legally defensible, what they're doing? We are reading those same documents. We are looking at the Constitution. We are looking at the laws of our land. We are prepared to fight and prepared to demand that the law of the land remain in tact."

12. side profile shot of rows of solar panels on City Hall roof

13. close up of one solar panel

14. SOUNDBITE (English) Tyrone Jue, Mayor's Senior Advisor on the Environment

"We've definitely been keeping a close eye on where those funds are coming into our city and how they may impact our programs. But, to be clear, the Mayor has made a very firm commitment that we're going to move forward our climate action plan in the city. This is something that we've embraced for over a decade now because it's the right thing to do. It's also the right thing to do both economically and from a public health perspective. If you look at San Francisco's thriving economy, we've managed to reduce our emissions by 24 percent while our economy has grown by over 50 percent. To say that going to a clean energy economy is somehow bad for business, that's just not the case in San Francisco, the Bay Area and many of the major cities throughout the United States are clear examples of that being the case."

15. medium static shot of City Hall dome above solar panels