He gets up early in the morning (in order)to take a 30-minute walk every day.
He gets up early in the morning, therefore he can take a 30-minute walk every day.
He gets up early in the morning, so that he can take a 30-minute walk every day.
He gets up early in the morning in order to take a 30-minute walk every day.
He gets up early to take a 30-minute walk every morning.
Early in the morning, he take a 30-minute walk everyday.
In order to take a half-an-hour walk, he gets up early in the morning every day.