If you want to try it manually,
Add a curves adjustment layer
Switch to the red channel (drop down box)
Add a point in the middle and drag it to the bottom right corner until the greens look right (removing reds)
Switch to green channel
Drag a center point slightly toward the top-left corner to pop the greens a bit more.
Switch to blue channel
Drag a center point slightly toward the bottom right corner.
Red - Input:154 Output:81
Green - Input:122 Output:134
Blue - Input:126 Output:105
That's a starting point anyway.
Less control... try Image>Adjustment>Variations.
Then just keep clicking the picture around the edges that looks best balanced.
Change closer to fine for "fine tuning"
You can also try Auto Colour (yikes!)