The United Nations is a failed, flawed institution that needs to be abolished and then recreated if such an organization is deemed worth having. It is an absurd organization that is rampant with fraud, mismanagement and it falsely legitimates illegitimate regimes of despots and dictators.
The assumption with the UN's 8 stated goals is that they are legitimate and that one accepts the premise on which the goals are based. It is an absurd folly based on self promotion and arrogance.
For instance "environmental sustainability" is defined as...what? Is there such as thing and if so what impact can the UN have? Is it not something that each country will decide predicated on its own best interests and as such, therefore, there is no clear definable process of solution. Hence, as such it is a waste of time and money. Instead of running money through a third party money laundering scheme that skims off some the capital, it makes sense to execute solutions at the local level and not some insignificant international body that is actually biased towards achieving actual lasting solutions.
So the answer is NO...the organization is an abject failure of an epic magnitude.