question: at international level, the at least 40% domestic emission reduction target will serve as a basis for eu's input to the international negotiations on a new climate agreement in paris in december 2015 and contribute to the necessary actions to keep global average temperature increase below 2c compared to pre-industrial levels.
Capitalize this past sentence correctly.
A: At international level, the at least 40% domestic emission reduction target will serve as a basis for EU's input to the international negotiations on a new climate agreement in Paris in December 2015 and contribute to the necessary actions to keep global average temperature increase below 2C compared to pre-industrial levels.

question: this wednesday is no smoking day. we're supporting the campaign and everyone trying to quit. if you're struggling quitting on your own, come to our free drop-in sessions:
Capitalize this past sentence correctly.
A: This Wednesday is No Smoking Day. We're supporting the campaign and everyone trying to quit. If you're struggling quitting on your own, come to our free drop-in sessions:

question: if your pc opens the hxk file, but it's the wrong application, you'll need to change your windows registry file association settings. in other words, windows is associating hxk file extensions with the wrong software program.
Capitalize this past sentence correctly.
A: If your PC opens the HXK file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating HXK file extensions with the wrong software program.