Forget everything you heard about losing weight. The only way to lose weight is burn more calories than you consume. To burn more calories - you move more. To consume fewer calories - you eat less.
It's that simple. You don't need green diets, carrot diets, or any other fad diets. You also don't need to hit the gym for hours every day. Everyday activity can be enough. Also, don't expect quick results. You spent years putting on the weight, and it will take time to lose it. If you expect to see changes overnight, you will likely become discouraged and give up. So don't be in a hurry. Just be consistent.
How to eat less? Harder than it sounds. But not really.
Moving more doesn't mean becoming a marathon runner. It means being less sedentary than you are now.
EAT A LITTLE LESS
MOVE A LITTLE MORE
DO IT CONSISTENTLY