Check the graph in the parent article.
Zoom into any 17 year period between -3000 and 1900 and it will "look flat", and during many 17 year periods the temperature temporarily went up, but nonetheless you can see there's a clear downward trend throughout that period.
It's impossible to deny that this trend has been sharply reversed.
A 17 year period is normally supposed to tell you nothing interesting - but the 17 year period up to 1996 clearly indicates something quite disturbing is going on.
Climate change is not negated by a temporary plateau.
The Daily Mail? Really?