The amendment passed with a majority of 41 votes.
Carolyn Harris set up the fund to support bereaved parents after losing her own eight-year-old son.
The move makes the UK the first major economy to set a target to cut emissions to net zero by 2050.
Birmingham MP Jess Phillips asked the question after she said a head teacher from her constituency received no reply.
He said it is not ‘sensible’ to step down while ‘great issues’ remain unresolved.
The 650 MPs and staff will decamp to the new home from mid-2020 while the crumbling Palace of Westminster undergoes a £3bn refit.
Police have arrested 12 activists on suspicion of outraging public decency after they stripped off to stage a protest in the Commons.
MPs take over the Brexit agenda again on Monday, as they vote for a second time on a series of "indicative" votes.
Today's indicative votes will give MPs a chance to shape Brexit policy going forward.
Daniel Hewitt explains the options open to MPs.