The ad is running in Oregon ahead of the state's primary and was released ahead of a speech McCain will give on climate change today in Portland. The McCain camp is highlighting the Arizona Senator's stance on global warming as it kicks off its general election campaign.

The issue is thought to be a winner for McCain as the campaign moves to attract independents and siphon off younger voters from Barack ObamaBarack ObamaOvernight Tech: FCC chief gives states more control over internet subsidies | Dems urge Trump to veto bill blocking online privacy rules | House boosts its mobile security Overnight Defense: Pentagon considers more troops for Afghanistan | McCain, Graham won't back short-term funding | GOP defends Trump rules of engagement Paul Ryan sells out conservatives with healthcare surrender MORE.

McCain is careful in the ad though to make clear that he does not think "high taxes and crippling regulation is the solution."

Here is the transcript:
ANNOUNCER: Our environment in peril,
Oil and food prices out of control,
Climate change wreaks havoc with deadly weather.
One extreme thinks high taxes and crippling regulation is the solution.
Another denies the problem even exists.
There's a better way.

John McCainJohn McCainMcCain responds to North Korean criticism to calling Kim Jong-un 'crazy fat kid' Overnight Finance: Dems seek probe of acting SEC chief | Defense hawks say they won't back short-term funding | Senate seen as start point for Trump infrastructure plan | Dems want more money for IRS Overnight Defense: Pentagon considers more troops for Afghanistan | McCain, Graham won't back short-term funding | GOP defends Trump rules of engagement MORE: I believe that climate change is real.
It's not just a greenhouse gas issue.
It's a national security issue.
We have an obligation to future generations to take action and fix it.
I'm John McCain and I approve this message.