conclusion

(1)Although the suggestion I mentioned may not improve the short-term situation, it will certainly provide a good long-term solution to alleviate the increasing pollution problem.

(2)Although the situation existing may not be completely improved, the suggestion can provide a channel for alleviating the problem of increasing air pollution. To fix the root cause, it is ;however, depend largely on the human ourselves. I certainly believe we can!

These two sentences have little different meanings, right? Which one is better for conclude the suggestion?