2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/76317We prove the nonexistence of a proper singular Riemannian foliation admitting section in compact manifolds of nonpositive curvature. Then we give a global description of proper singular Riemannian foliations admitting sections on Hadamard manifolds. In addition by using the theory of taut immersions we provide a short proof of this result in the special case of a polar action.10 pagesDifferential Geometry53C12; 57R30text