In this task, you are given a sentence in the English language and your task is to convert it into the Japanese language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).

This is to provide water security for the city as droughts become more frequent due to global warming.
地球温暖化のために干ばつがもっと頻繁になった場合に、都市に水を安定的に供給するためだ。

Transport for London's new TrackerNet software is fully opertational on the Circle line, which allows for precise tracking of trains, but is not yet fully installed on the Piccadilly line.
ロンドン交通局の新しいトラッカーネットソフトウェアは環状線でフルに活動していて電車の正確な追跡がなされていたが、ピカデリー線ではまだ完全にインストールされていない。

Stevens immediately appealed his conviction and has maintained his innocence.

スティーヴンスは、すぐに彼の有罪判決を上訴して、無罪を主張し続けた。