Mark Jaffe

Mark Jaffe has been a reporter for The Philadelphia Inquirer, Bloomberg News and The Denver Post. He was also previously a Paris correspondent for Businessweek.

Tulsa’s WPX Energy cuts, moves jobs in Colorado

March 2, 2015 at 12:56 p.m.

Tulsa's WPX Energy cuts, moves jobs in Colorado

An oil and gas worker feed pipe on a rig in Erie, January 15, 2015.

Colorado oil, gas task force roils already troubled waters

April 25, 2016 at 5:01 p.m.

Colorado oil, gas task force roils already troubled waters

An oil and gas worker feeds pipe on a rig in Erie, Colorado on January 15, 2015. Home development is booming along with oil and gas operations in and around Erie.

Colorado oil, gas task force sends 9 measures on to governor’s desk

April 26, 2016 at 4:09 p.m.

Colorado oil, gas task force sends 9 measures on to governor's desk

Colorado oil, gas panel takes last run at resolving drilling conflicts

April 26, 2016 at 2:40 p.m.

Colorado oil, gas panel takes last run at resolving drilling conflicts

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Gas field methane leak rates found lower than earlier studies

April 26, 2016 at 5:05 p.m.

Gas field methane leak rates found lower than earlier studies

Rossina Schroeer-Santiago, a Green Valley Ranch resident, said she worried that fracking could affect quality of life in her neighborhood during a news conference on Feb. 10, 2015, in front of the City and County Building. Activists pushed for a moratorium on fracking in Denver.

5 months in, Colorado oil, gas task wrestles with conflicting views

April 26, 2016 at 4:56 p.m.

5 months in, Colorado oil, gas task wrestles with conflicting views

The Rocky Mountains serve as a backdrop for an oil drilling rig in Erie on Dec. 12.

Mapping project shows heavy oil, gas leasing in Arapahoe County

April 24, 2016 at 5:19 p.m.

Mapping project shows heavy oil, gas leasing in Arapahoe County

Angela Waldrop at her home, in the Vista Pointe subdivision in Erie, was upset with noise and vibration problems during oil and gas operation behind her home in Erie. The company finally stopped drilling and has removed the rig near the subdivision. Waldrop's two daughters play in their backyard where the rig was only a few hundred yards away before it was removed.

Drilling rigs and housing development face off in Colorado suburbs

May 2, 2017 at 1:06 p.m.

Drilling rigs and housing development face off in Colorado suburbs

Somerset has been a coal mining town since 1896. But that changed in December 2013 when the Elk Creek Mine closed. That closure is one of the factors causing a downturn in Colorado coal production.

Colorado coal production slips to 20-year low

April 25, 2016 at 5:06 p.m.

Colorado coal production slips to 20-year low

The Rocky Mountains serve as a backdrop for an oil drilling rig in Erie on Dec. 12. (David R. Jennings, Daily Camera file)

Colorado oil, gas task force votes yes on increased local control

April 26, 2016 at 3:26 p.m.

Colorado oil, gas task force votes yes on increased local control

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Mark Jaffe

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Tulsa’s WPX Energy cuts, moves jobs in Colorado

Colorado oil, gas task force roils already troubled waters

Colorado oil, gas task force sends 9 measures on to governor’s desk

Colorado oil, gas panel takes last run at resolving drilling conflicts

Gas field methane leak rates found lower than earlier studies

5 months in, Colorado oil, gas task wrestles with conflicting views

Mapping project shows heavy oil, gas leasing in Arapahoe County

Drilling rigs and housing development face off in Colorado suburbs

Colorado coal production slips to 20-year low

Colorado oil, gas task force votes yes on increased local control