From the Magazine: Architects are in a position to lead the conversation on sustainability, building materials, and public health. [ARCHITECT]

ICYMI: The AIA announced its COTE Top 10 Green Projects, Foster + Partners broke ground on a new Maggie's Centre facility, the ADP Workforce Vitality Index decelerated in the first quarter of 2015, the AIA released a video discussing economic trends in the second quarter of 2015, and Congress passed the Energy Efficiency Improvement Act of 2015.

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Five More Stories for Thursday:

Guggenheim revealed the six final proposals in a competition to design its Helsinki museum. Narrowed down from 1,715 initial submissions, these concept designs will go on display in an exhibition on Saturday, April 25. [Guggenheim Helsinki Design Competition]

Photos from the Whitney Museum of American Art's inaugural dinner. [Vogue]

A newly published study looks at the health and productivity impacts of standing and treadmill desks. [Fast Company's Co.Design]

Chicago's Garfield Park Conservatory completely reopens to the public following restoration work. [Chicago Tribune]

A Miami Beach developer plans to build a twisting 633-foot tower with five LED billboards. [Miami Herald]

Step Up, Step Down:

Critic Alexandra Lange will start writing a monthly architecture column for Curbed, beginning today. [Curbed]

Awards: Enter Now!

DEADLINES EXTENDED: ARCHITECT's R+D Awards recognize innovative building research, materials, and technologies at every scale. Entries are now due tomorrow, April 24, for the regular deadline, or April 29 for the late deadline (additional fee applies).

Marvin Windows and Doors are seeking designs that utilize the company’s products for for its seventh annual Architects Challenge. Submissions are due May 1.

The 2015 World Architecture Festival Awards is accepting entries through May 22.

The American Society of Landscape Architects is accepting submissions for its 2015 Awards. Student entries are due by May 22.

The Portland chapter of the AIA is accepting entries for Stitch II, a competition challenging students and emerging designers to propose ideas for re-purposing space under a bridge on Interstate 405. Proposals are due June 1.

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