I think this would be it. Good luck.

Si están enmarcadas, se presupone una política o un programa de actuaciones coordinado de alguna forma (por el ayuntamiento). Por este motivo prefiero "action plan" a "actions".
Se podría añadir "within the framework of", pero no es imprescindible.
O bien: "within an action plan for the implementation of bioclimatic architecture projects".

Suerte.

Sounds natural.

"Enmarcar" means "to frame". The verb "frame" has several nuances in the English language, one of which is to "design," "devise," or "conceive. "This meaning is what I think is appropriate to the context.

Definitions:
frame (frm)
v. framed, fram·ing, frames
v.tr.
1. To build by putting together the structural parts of; construct: frame a house.
2. To conceive or design: framed an alternate proposal.
http://www.thefreedictionary.com/framed

"Actuacion" can also mean "feature," as shown in the following translation I attempted of the text:

"Among the projects launched from (name of organization), and in line with other initiatives of the City Council such as the inclusion of geothermal energy in the new Fire Station or the activities of the Municipal Sports, for example, in the field of co-generation, (name of organization) has incorporated various bioclimatic features in their new construction projects:"